iiinova — where your digital self keeps evolving

IceCube Neutrino Observatory @icecubeneutrino.bsky.social · 09/10/2026

📍The Pole just keeps getting sunnier and sunnier. Summer is on its way!🌞 Read more about week 40 at the Pole ➡️ icecube.wisc.edu/news/life-at... 📸: Alicia Fattorini, IceCube/NSF #WeekAtThePole #IceCubeNeutrinoObservatory

The sun rises over the snowy, Antarctic landscape, creating a bright white glow with dark shadows across the snow.

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IceCube Neutrino Observatory @icecubeneutrino.bsky.social · 09/10/2026

We've collected some notable media highlights reporting on Professor Francis Halzen winning the @NobelPrize.org in Physics for his contribution to the NSF IceCube Neutrino Observatory. #NobelPrize2026 #NSFFunded #IceCubeNeutrinoObservatory

A collage of news headlines shows coverage of Francis Halzen winning the Nobel Prize in Physics.

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IceCube Neutrino Observatory @icecubeneutrino.bsky.social · 09/10/2026

Missed the excitement? If you haven't already, go watch Professor Francis Halzen reflect on his historic @NobelPrize.org win for his work on the NSF IceCube Neutrino Observatory! Watch here ➡️ go.wisc.edu/nobel2026 IceCube PR ➡️ icecube.wisc.edu/news/awards/... 📸: Bryce Richter/UW-Madison

A man wearing glasses points upward at something out of frame, with direct overhead lighting illuminating him while keeping the background in darkness.

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IceCube Neutrino Observatory @icecubeneutrino.bsky.social · 06/10/2026

Our 2026 physics laureate, Francis Halzen, had a chance to chat with IceCubers from around the world! Congratulations, Francis! 👏 🎉 #NobelPrizeInPhysics2026 #NobelLaureate #NobelPrizeWinner #award #physics

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IceCube Neutrino Observatory @icecubeneutrino.bsky.social · 06/10/2026

IceCube Principal Investigator and @UWMadison.bsky.social Prof. Francis Halzen has been awarded the 2026 Nobel Prize in Physics "for decisive contributions to the IceCube Neutrino Observatory and the discovery of high-energy neutrinos of astrophysical origin.” 🎉🏅 #NobelPrizeInPhysics2026

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IceCube Neutrino Observatory @icecubeneutrino.bsky.social · 02/10/2026

📍What do you do when the sun rises for the first time in six months? Play golf, of course! Read more about week 39 at the Pole ➡️ icecube.wisc.edu/news/life-at... 📸: Camille Parisel, IceCube/NSF #WeekAtThePole #IceCubeNeutrinoObservatory

In the snowy Antarctic, at the South Pole marker, which is surrounded by flags of different nations, people in red coats stand while one person prepares to put with a golf club. The sky glows from a newly risen sun.

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IceCube Neutrino Observatory @icecubeneutrino.bsky.social · 30/09/2026

🔔📜 IceCube paper submitted to ApJL! In a joint analysis with the HAWC Collaboration, we investigated the Galactic Center and searched for coincident neutrino emission. We found no significant signal and set a new constraint on neutrino emission. icecube.wisc.edu/news/researc...

icecube.wisc.edu

Using IceCube and HAWC data to investigate the center of our galaxy

The center of our galaxy offers a unique window into how cosmic rays are accelerated to extremely high energies. This region contains a large amount of dense gas and potential accelerators, including…

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IceCube Neutrino Observatory @icecubeneutrino.bsky.social · 24/09/2026

📍The sun is almost here! ☀️ Our winterovers stayed busy with detector and seasonal station activities. Read more about week 38 at the Pole ➡️ icecube.wisc.edu/news/life-at... 📸: Alicia Fattorini, IceCube/NSF #WeekAtThePole #IceCubeNeutrinoObservatory

Sastrugi in front of a row of flags at the South Pole.

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IceCube Neutrino Observatory @icecubeneutrino.bsky.social · 23/09/2026

🔔📜 IceCube paper submitted to PRL! We searched for high-energy neutrinos in the direction of KM3NeT’s ultra-high-energy event. No evidence for neutrino emission was found in IceCube for any of the studies performed and upper limits were set. Story ➡️ icecube.wisc.edu/news/researc...

icecube.wisc.edu

IceCube search for the source of KM3NeT’s record-breaking event

The IceCube Neutrino Observatory and the KM3NeT Astroparticle Research with Cosmics in the Abyss (ARCA) telescope are neutrino telescopes that search for the sources of astrophysical neutrinos,…

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IceCube Neutrino Observatory @icecubeneutrino.bsky.social · 23/09/2026

Happy National Postdoc Appreciation Week! We're proud to work with a team of truly brilliant minds. Thank you for all of your hard work and contributions!🧑‍🔬👩‍🔬🎊 #NPAW2026

A graphic of an illustrated figure holding an optical module superimposed of an image of the IceCube Lab and the words "Happy Postdoc Appreciation Week, September 21-25."

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IceCube Neutrino Observatory @icecubeneutrino.bsky.social · 21/09/2026

This month's Voices of IceCube feature is Lilly Pyras, a postdoctoral researcher at @utah.edu!📣 Read the interview ➡️ icecube.wisc.edu/voices-of-ic... #VoicesofIceCube #IceCubeNeutrinoObservatory #SouthPole

A woman with blonde hair, wearing clear-framed glasses fills the frame, smiling slightly.

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IceCube Neutrino Observatory @icecubeneutrino.bsky.social · 18/09/2026

📍Last week, on a continent far, far away, a winterover snapped a familiar looking picture... Read more about week 37 at the Pole ➡️ icecube.wisc.edu/news/life-at... 📸: Alicia Fattorini, IceCube/NSF, Disney/Lucasfilm #WeekAtThePole #IceCubeNeutrinoObservatory

Three large structures in the distance are silhouetted by the sunrise at the horizon line, while the rest of the snowy landscape is bathed in darkness.

A still shot from Star Wars: a New Hope shows Luke Skywalker looking out at two suns setting over the desert of Tatooine, with the sky bathed in purple.

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IceCube Neutrino Observatory @icecubeneutrino.bsky.social · 15/09/2026

🔔📜 IceCube paper submitted to ApJL! We looked for sources that emit lower-energy neutrinos using data taken from IceCube DeepCore. No evidence for neutrino emission was found and upper limits were set on the amount of emission from all of the sources. Story ➡️ icecube.wisc.edu/news/researc...

icecube.wisc.edu

Search for steady-state neutrino emission using IceCube DeepCore

Four years ago, the IceCube Neutrino Observatory announced evidence for high-energy neutrinos emanating from NGC 1068, an active galactic nucleus (AGN) with a central, supermassive black hole that…

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IceCube Neutrino Observatory @icecubeneutrino.bsky.social · 11/09/2026

📍Here comes the sun! Read more about week 36 at the Pole ➡️ icecube.wisc.edu/news/life-at... 📸: Alicia Fattorini, IceCube/NSF #WeekAtThePole #IceCubeNeutrinoObservatory

A building with glowing orange lights sits atop a snow-covered landscape with the faint, blue glow of sunrise behind it, while the edges of the image remain dark.

A building from the side sits amid the polar landscape, with the faint blue glow of sunrise lighting the sky in the distance.

Smoke billows from a building covered in darkness, while behind it, a pale blue sunrise creates a sharp distinction between building and sky.

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IceCube Neutrino Observatory @icecubeneutrino.bsky.social · 09/09/2026

🔔📜 IceCube paper submitted to ApJL! The nondetection of high-energy neutrino emission from tidal disruption events (TDEs) sets upper limits on the contribution from TDEs to the diffuse neutrino flux. Story ➡️ icecube.wisc.edu/news/researc...

icecube.wisc.edu

Search for neutrino emission from tidal disruption events

Ever since high-energy astrophysical neutrinos were first observed in 2013, the IceCube Neutrino Observatory at the South Pole has continued searching for their elusive sources. Thus far, IceCube has…

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IceCube Neutrino Observatory @icecubeneutrino.bsky.social · 04/09/2026

📍A concert and a slowly brightening sky... Summer is coming to the South Pole! Read more about week 35 at the Pole ➡️ icecube.wisc.edu/news/life-at... 📸: Camille Parisel, IceCube/NSF #WeekAtThePole #IceCubeNeutrinoObservatory

Live band performing with guitars, drums and amps, bathed in multicolored laser-like dots and streaks from a long-exposure light show.

Faint light glows on the horizon at the South Pole, while the rest of the sky is dark and starry, with faint auroras.

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IceCube Neutrino Observatory @icecubeneutrino.bsky.social · 02/09/2026

🔔📜 IceCube paper submitted to PRD! The study looked at low-scale gravity scenarios using high-energy neutrinos. We did not find any evidence of such features, and limits were set on the models’ allowed parameter space. Story ➡️ icecube.wisc.edu/news/researc...

Upper limits for the radius of the largest extra dimension in the Arkani–Hamed– Dimopoulos–Dvali model. Regions to the right of the lines are excluded at the 99% confidence levels, shown separately for normal (top) and inverted (bottom) mass ordering. The solid red lines indicate our observed limits, while the dotted red lines indicate our median expected sensitivity. The remaining lines compare with existing neutrino bounds. Credit: IceCube Collaboration

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IceCube Neutrino Observatory @icecubeneutrino.bsky.social · 02/09/2026

A group of IceCubers gathered for dinner last night at soraniwa CAFE & BBQ in Tendo, Japan, taking a break from a busy week at the TeVPA 2026 conference. 🍢🇯🇵 Nothing beats great food and even better company! ✨️ 📸 Colton Hill #IceCubeNeutrinoObservatory #TeVPA2026

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IceCube Neutrino Observatory @icecubeneutrino.bsky.social · 01/09/2026

Elliot Koziol is a 2nd year intern at the Physical Sciences Lab in Stoughton, Wisconsin. A current high school student, Elliot has been a lifelong IceCube enthusiast and recently won an award at the International Science and Engineering Fair for his work on the hot water drill!

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IceCube Neutrino Observatory @icecubeneutrino.bsky.social · 31/08/2026

The 2026 TeV Particle Astrophysics conference is now underway in Tendo, Japan! 🗾 This is a leading international conference focused on recent developments in astroparticle physics, where researchers can present their latest findings. 📸: Ignacio Taboada, Colton Hill #TeVPA2026

A Japanese temple stands atop a large stone outcropping amidst a foggy, wooded background.

A "welcome TeVPA 2026" sign stands in a hotel lobby.

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IceCube Neutrino Observatory @icecubeneutrino.bsky.social · 31/08/2026

🔔📜 IceCube paper submitted to PRD! Our projected sensitivities of the recently completed IceCube Upgrade show it will achieve an order-of-magnitude improvement in sensitivity at lower energies for transient sources across short timescales. Story ➡️ icecube.wisc.edu/news/researc...

Comparison of projected sensitivities with (red) and without (blue) the IceCube Upgrade, along with published best-fit fluxes for NGC 1068 (black) and the Galactic plane (π0 template, orange). The Galactic plane flux is spatially integrated over the entire π0 template. The sensitivity values correspond to the performance after four years of IceCube Upgrade operation. Credit: IceCube Collaboration

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IceCube Neutrino Observatory @icecubeneutrino.bsky.social · 27/08/2026

📍Look at all that food! For community cook day, the science group prepared lunch for the station, giving the galley staff a much-needed break. 🥦 🍗 🍚 Read about week 34 ➡️ icecube.wisc.edu/news/life-at... 📸: Alicia Fattorini, IceCube/NSF #WeekAtThePole #IceCubeNeutrinoObservatory

Lettuce, chicken, tempeh, and rice in serving trays.

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IceCube Neutrino Observatory @icecubeneutrino.bsky.social · 25/08/2026

The U.S. National Science Foundation has renewed IceCube's operation and maintenance contract. With NSF's generous funding, collaborators will improve the detector's performance and continue to make discoveries in the years to come. Read more ➡️ icecube.wisc.edu/news/awards/... #NSFfunded

The IceCube Neutrino Observatory sits prominently with bright auroras lighting a starry night sky in the background.

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IceCube Neutrino Observatory @icecubeneutrino.bsky.social · 21/08/2026

📍The auroras were quite spectacular last week at the Pole! ✨ Read more about week 33 ➡️ icecube.wisc.edu/news/life-at... 📸: Camille Parisel, IceCube/NSF #WeekAtThePole #IceCubeNeutrinoObservatory

Bright green aurora lights illuminate the sky, while a red glowing light illuminates the snow at the South Pole.

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IceCube Neutrino Observatory @icecubeneutrino.bsky.social · 18/08/2026

This month's Voices of IceCube feature is Sarah Mancina, a postdoc at Università Degli Studi di Padova!📣 Read the interview ➡️ icecube.wisc.edu/voices-of-ic... #VoicesofIceCube #IceCubeNeutrinoObservatory #SouthPole #Neutrinos #Astrophysics #Science

Sarah Mancina smiles in front of a background of trees and setting sun.

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IceCube Neutrino Observatory @icecubeneutrino.bsky.social · 12/08/2026

📍There are tunnels at the South Pole! Can you guess where they lead? 🕵️ Read more about week 32 ➡️ icecube.wisc.edu/news/life-at... 📸: Alicia Fattorini, IceCube/NSF #WeekAtThePole #IceCubeNeutrinoObservatory

Pipes line a sparsely lit tunnel beneath the South Pole.

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IceCube Neutrino Observatory @icecubeneutrino.bsky.social · 11/08/2026

🔔📜 IceCube paper submitted to PRD! We predict that statistically significant data from the Upgrade will rule out a uniform Earth density profile in favor of the standard layered-density profile. Story ➡️ icecube.wisc.edu/news/researc...

Comparison of the sensitivity to the Earth's mass measurement between IceCube DeepCore and the IceCube Upgrade.

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IceCube Neutrino Observatory @icecubeneutrino.bsky.social · 07/08/2026

📍It will still be some time before the South Pole sees the sun, but the moon certainly brightened things up last week! 🌙 Read more about week 31 at the Pole ➡️ icecube.wisc.edu/news/life-at... 📸: Camille Parisel, IceCube/NSF #WeekAtThePole #IceCubeNeutrinoObservatory

A bright moon shines on the horizon at the South Pole.

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IceCube Neutrino Observatory @icecubeneutrino.bsky.social · 31/07/2026

📍It's Christmas in July down at the Pole! 🎄 That wasn't the only event underway last week though... Read more about week 30! ➡️ icecube.wisc.edu/news/life-at... 📸: Charles Roberts, NSF #WeekAtThePole #IceCubeNeutrinoObservatory

A common area is decorated with Christmas celebrations, including a Christmas tree.

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IceCube Neutrino Observatory @icecubeneutrino.bsky.social · 28/07/2026

📍Last week, winterover Camille Parisel captured IceCube through a fisheye lens! Looks like even the auroras were curious about this new format! 🌌 Read more about week 29 ➡️ icecube.wisc.edu/news/life-at... 📸: Camille Parisel, IceCube/NSF

A fisheye lens captures auroras in the night sky at the South Pole.

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IceCube Neutrino Observatory @icecubeneutrino.bsky.social · 20/07/2026

This month's Voices of IceCube feature is Giacomo Sommani, a PhD candidate at @ruhr-uni-bochum.de! 📣 Read the interview ➡️ icecube.wisc.edu/voices-of-ic... #VoicesofIceCube #IceCubeNeutrinoObservatory #SouthPole #Neutrinos #Astrophysics #Science

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IceCube Neutrino Observatory @icecubeneutrino.bsky.social · 17/07/2026

🔔📜 IceCube paper submitted to JINST! We present WavePID, a classifier that exploits nanosecond-scale timing on individual light sensors. It was shown to improve both cascade purity and classification performance. Story ➡️ icecube.wisc.edu/news/researc...

At low energies, IceCube often sees too little light to clearly distinguish different neutrino events by morphology alone. The left panel shows a simulated muon neutrino interaction, while the right panel shows an electron neutrino interaction. WavePID uses the timing of the first detected light pulses, illustrated in the center, as an additional fingerprint for identifying the event type. Credit: IceCube Collaboration

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IceCube Neutrino Observatory @icecubeneutrino.bsky.social · 16/07/2026

📍Although things were busy at the Pole, you wouldn't know it from this peaceful shot of the ICL. 🌌 Read more about week 28 ➡️ icecube.wisc.edu/news/life-at... 📸: Alicia Fattorini, IceCube/NSF #WeekAtThePole #IceCubeNeutrinoObservatory

The ICL sits serenely against a backdrop of the starry night sky.

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IceCube Neutrino Observatory @icecubeneutrino.bsky.social · 13/07/2026

📍Last week, improved weather conditions allowed IceCube winterovers to host an open house at the IceCube Lab! Read more about week 27 ➡️ icecube.wisc.edu/news/life-at... 📸: Alicia Fattorini, IceCube/NSF #WeekAtThePole #IceCubeNeutrinoObservatory

In the IceCube Lab, IceCube winterovers pose for a photo with more people.

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IceCube Neutrino Observatory @icecubeneutrino.bsky.social · 09/07/2026

📍Last week at the Pole saw some bad weather, but the winterovers took the opportunity to score serious aura points. 🌌✨ Read more about week 26 ➡️ icecube.wisc.edu/news/life-at... 📸: Francisco Quiros, NSF #WeekAtThePole #IceCubeNeutrinoObservatory

A bright moon shines on a snowy landscape glowing in red light at the South Pole.

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IceCube Neutrino Observatory @icecubeneutrino.bsky.social · 08/07/2026

This year, more than 20 IceCube institutions hosted 200 students in Belgium, Canada, Denmark, Germany, and the United States for the thirteenth edition of the IceCube Masterclass! 🎉 Read more ➡️ icecube.wisc.edu/news/outreac... 📸: Dennis Soldin, John Griffin, Lea Schlickmann

Students gather around a light-emitting instrument.

A plush penguin toy sits on a desk, wearing an IceCube t-shirt.

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IceCube Neutrino Observatory @icecubeneutrino.bsky.social · 08/07/2026

The FIFA World Cup inspired our winterovers, Alicia and Camille, to stage a match of their own! With a bright moon and clear skies, conditions are ideal... for the South Pole. 🧊⚽ #WorldCup2026 #FIFA #IceCubeNeutrinoObservatory

Two IceCube winterovers play soccer by the ICL, under moonlight.

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IceCube Neutrino Observatory @icecubeneutrino.bsky.social · 07/07/2026

🔔📜 IceCube paper published in ApJ! An extended search to find joint detection of gravitational waves and high-energy neutrinos yielded no significant joint sources and new upper limits. Story ➡️ icecube.wisc.edu/news/researc...

Joint sky map showing all neutrino candidates coincident with binary neutron star gravitational wave candidates on January 4, 2020, at 3:08:48 UTC (Coordinated Universal Time). Neutrino #6 is the most significant candidate in the third operating run subthreshold trigger set under merging binary interpretation. Credit: IceCube Collaboration

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IceCube Neutrino Observatory @icecubeneutrino.bsky.social · 25/06/2026

Seventy years ago, physicists Frederick Reines and Clyde Cowan recorded the first experimental observation of neutrinos. This year, we are joining @fermilab.bsky.social in celebrating this important milestone for our entire field! #Neutrino70

A bright aurora shines behind the IceCube Neutrino Observatory. At the bottom of the image, text reads "The IceCube Neutrino Observatory is an experiment at the South Pole that detects neutrinos."

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IceCube Neutrino Observatory @icecubeneutrino.bsky.social · 11/06/2026

📍IceCube’s winterovers were busy last week with operations and calibration tasks, but had time to enjoy the outdoors as well as the fruits of their labors indoors in the greenhouse! 🍇 Read more about week 23 ➡️ icecube.wisc.edu/news/life-at... 📸: Camille Parisel, IceCube/NSF

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IceCube Neutrino Observatory @icecubeneutrino.bsky.social · 08/06/2026

IceCube Summer School is now complete! 🎉 Thank you to all of the attendees and educators for making it a successful experience! #IceCubeSummerSchool #ScienceEducation

IceCube Summer School attendees and educators pose for a group photo.

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IceCube Neutrino Observatory @icecubeneutrino.bsky.social · 05/06/2026

📍Last week, IceCube’s winterovers had a station-wide training drill in which they had to recover a “missing person."🕵️ Read more about week 22 ➡️ icecube.wisc.edu/news/life-at... 📸: Alicia Fattorini, IceCube/NSF

A plastic mannequin sits upright at a computer desktop.

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IceCube Neutrino Observatory @icecubeneutrino.bsky.social · 01/06/2026

Congratulations to Tetiana Kozynets, a postdoctoral researcher at @liverpooluni.bsky.social, for being awarded a 2025 Global Neutrino Network (GNN) Dissertation Prize! Tetiana completed her PhD at the University of Copenhagen. Read more ➡️ icecube.wisc.edu/news/awards/...

Tetiana smiles in front of a waterfall background.

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IceCube Neutrino Observatory @icecubeneutrino.bsky.social · 29/05/2026

🔔📜 IceCube paper submitted to JCAP! We modeled the sensitivity of the IceCube Upgrade to signals expected from dark matter annihilation and found significant improvement upon the previous results. Story ➡️ icecube.wisc.edu/news/researc...

A graph showing dark matter annihilation with the IceCube Upgrade.

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IceCube Neutrino Observatory @icecubeneutrino.bsky.social · 27/05/2026

📍Last week at the Pole, the winterovers enjoyed some incredible auroras and plenty of indoor activities! 🌌✨ Read more about week 21 ➡️ icecube.wisc.edu/news/life-at... 📸: Camille Parisel, IceCube/NSF

A green aurora shines in the Antarctic night sky.

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IceCube Neutrino Observatory @icecubeneutrino.bsky.social · 26/05/2026

🔔📜 IceCube paper submitted to ApJS! We present a 14-year public data release that includes neutrino track-like event observations, extending the previously published dataset by four years. Story ➡️ icecube.wisc.edu/news/researc...

The neutrino sky map for events contained in this data release, showing the most significant points of clustering in the north and south. Credit: IceCube Collaboration.

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IceCube Neutrino Observatory @icecubeneutrino.bsky.social · 22/05/2026

With the 2026 IceCube spring collaboration meeting drawing to a close, a moment of recognition for the more than 450 people who make IceCube's groundbreaking research possible. Thank you! 🎉🌌

A large group of IceCube collaborators gather on a grassy hill to pose for a picture.

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IceCube Neutrino Observatory @icecubeneutrino.bsky.social · 21/05/2026

📍Pickleball…astronauts…what more could you want? How about some auroras! Read more about week 20 ➡️ icecube.wisc.edu/news/life-at... 📸:Alicia Fattorini, IceCube/NSF

IceCubers play a game of pickleball in the gymnasium.

IceCubers talk to astronaut Fred Haise via a Zoom call projected onto the gymnasium wall.

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IceCube Neutrino Observatory @icecubeneutrino.bsky.social · 20/05/2026

Congratulations to the winners of the 2026 IceCube Impact Awards! 🎉 The IceCube Impact Awards, established in 2018, recognize broad and significant contributions to IceCube. Read more ➡️ icecube.wisc.edu/news/awards/...

IceCube Impact Award graphic featuring all of the winners

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IceCube Neutrino Observatory @icecubeneutrino.bsky.social · 20/05/2026

Not all of IceCube's discoveries are scientific. For example, at the Spring 2026 IceCube Collaboration Meeting, which is currently underway at @ruhr-uni-bochum.de, these IceCubers discovered a local bouldering gym! 🧗

A group of IceCubers hang from and stand in front of an artificial rock climbing wall in a rock climbing gym.

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