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Caltech @caltech.edu · 28/09/2026

Welcome back, Beavers! Let’s make this year a great one. #FirstDayOfClasses #Caltech #Fall2026 #FutureOfSTEM

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Caltech @caltech.edu · 23/09/2026

NASA has selected PRIMA, a far-infrared space observatory designed to reveal the cold, dusty universe hidden from visible-light telescopes. Caltech, JPL, and IPAC will play key roles in the mission, targeted to launch in the 2030s. Read more: www.caltech.edu/about/news/n...

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Caltech @caltech.edu · 22/09/2026

Caltech has been recognized among the nation's top universities, ranking fifth in the 2027 U.S. News & World Report Best Colleges list. The placement is the Institute's largest single-year climb in more than 25 years. Read more: www.caltech.edu/about/news/c...

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Caltech @caltech.edu · 17/09/2026

We’re proud to announce that Harry B. Gray and Jay R. Winkler have been named Citation Laureates 2026 by @ClarivateAG! Their pioneering research in Chemistry is shaping the future of science. #CitationLaureates #CitationLaureates2026

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Caltech @caltech.edu · 30/08/2026

Caltech, IPAC and our workforce at NASA JPL is proud to be a part of this extraordinary mission. Go Roman, Go NASA! Read more: www.caltech.edu/about/news/r...

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Caltech @caltech.edu · 27/08/2026

TIME named Bren Professor of Computing and Mathematical Sciences, Anima Anandkumar, to the 2026 TIME100 AI, a list recognizing the 100 most influential people in artificial intelligence. #TIME100AI See the full list here: time.com/time100ai

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Caltech @caltech.edu · 25/08/2026

Benjamin M. Rosen (BS '54), chair emeritus of the Caltech Board of Trustees, life member of the Caltech community, recipient of the Distinguished Alumni Award in 2007, and chair emeritus of Compaq Computer Corporation, passed away on August 23, 2026. www.caltech.edu/about/news/c...

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Caltech @caltech.edu · 24/08/2026

NASA has selected Caltech to operate the Orbiting Carbon Observatory missions (OCO-2 and OCO-3) beginning this fall. Read more: www.caltech.edu/about/news/n...

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Caltech @caltech.edu · 17/08/2026

More than two decades before NASA was created, Caltech students and researchers worked side-by-side on daring rocketry experiments in the Arroyo Seco. Today, Caltech students continue that legacy at JPL. caltechmagazine.squarespace.com/post/space-e...

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Caltech @caltech.edu · 14/08/2026

Meet Ashwin Vasavada (PhD '98), a Caltech graduate and project scientist for NASA's Mars Curiosity rover. We’re introducing extraordinary people at Caltech and JPL who make possible some of NASA's most ambitious and technically demanding missions. magazine.caltech.edu/post/a-lifel...

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Caltech @caltech.edu · 05/08/2026

Happy 14 Years on Mars, Curiosity!

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Caltech @caltech.edu · 01/07/2026

"The word ‘unique' gets overused, but Caltech truly is a singular place with a close-knit community whose commitment to excellence is relentless. That ethos runs deep and wide."—Ray Jayawardhana, Caltech's 10th president.  magazine.caltech.edu/post/president-ray-jayawardhana

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Caltech @caltech.edu · 18/06/2026

Ginsburg Center for Quantum Precision Measurement Construction Timelapse

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Caltech @caltech.edu · 18/06/2026

On June 17, the Caltech community, along with donors, state and local government representatives, and industry partners gathered to celebrate the dedication of the Dr. Allen and Charlotte Ginsburg Center for Quantum Precision Measurement. Photography: Chris Flynn & Devin Feil for Caltech

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Caltech @caltech.edu · 17/06/2026

Dr. Lucy Jones sits down with Dr. Kate Scharer to discuss recent news regarding the San Andreas Fault and its "imminent" rupture. Full Interview: youtu.be/1LxJwK9BMYw?...

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Caltech @caltech.edu · 12/06/2026

Join us as we celebrate our graduates' accomplishments and look forward with pride and anticipation to the impact they will make in the world. commencement.caltech.edu/watch

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Caltech @caltech.edu · 11/06/2026

Caltech Readies to Build World's Most Sensitive Radio Telescope. Schmidt Sciences has greenlit the construction of the @deepsynopticarray.bsky.social, a game changer for radio astronomy. www.caltech.edu/about/news/c...

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Caltech @caltech.edu · 10/06/2026

Thomas F. Rosenbaum, the ninth president of Caltech, will retire on June 30, 2026. As we approach the end of our academic school year, we’d like to take this time to thank him for his advancements, contributions, and leadership. Thank you, Mr. President!

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Caltech @caltech.edu · 05/06/2026

Caltech’s 132nd Commencement exercises will take place on Friday, June 12, 2026, at 10 a.m. on Beckman Mall. Utilize #Caltech2026 and tag @caltechedu for all related posts to be featured on our social media channels as we collectively celebrate our distinguished graduates!

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Caltech @caltech.edu · 03/04/2026

On 3/30, Caltech’s latest space demonstration, ASTRA, was successfully launched on the Space-X Transporter 16. The mission is hosted on the Momentus Vigoride 7 spacecraft and is funded by the DARPA NOM4D program. Read more: www.darpa.mil/research/pro...

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Caltech @caltech.edu · 23/01/2026

Jonas Zmuidzinas (BS '81), the Merle Kingsley Professor of Physics at Caltech, will receive the 2026 James Craig Watson Medal, a National Academy of Sciences honor presented every two years for "outstanding contributions to the science of astronomy." www.caltech.edu/about/news/c...

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Caltech @caltech.edu · 23/01/2026

Congratulations to Adam Wierman, Carl F Braun Professor of Computing and Mathematical Sciences, on being named a 2025 ACM Fellow. awards.acm.org/fellows

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Caltech @caltech.edu · 05/01/2026

Please join us tomorrow at 11 a.m. on campus or online for the naming of Caltech’s next president! www.caltech.edu/campus-life-...

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Caltech @caltech.edu · 18/12/2025

$50 million commitment to Caltech endows and names the Lynn Booth and Kent Kresa Department of Aerospace, securing the Institute's leadership in the rapidly evolving sectors of space science and exploration. Read more: bit.ly/456iTZt

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Caltech @caltech.edu · 16/12/2025

Astronomers are reporting evidence for a possible second kilonova event, but the case is not closed. In fact, this situation is much more complex. www.caltech.edu/about/news/p...

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Caltech @caltech.edu · 21/11/2025

The results are in! We’ve been ranked #3 in Interdisciplinary Sciences in association with Schmidt Science Fellows. www.timeshighereducation.com/world-univer... #THEISR #THEISF #THEunirankings

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Caltech @caltech.edu · 09/10/2025

Congratulations to the recipients of this year’s Nobel Prize in Chemistry: Richard Robson, Susumu Kitagawa, and Omar M. Yaghi “for the development of metal–organic frameworks.”

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Caltech @caltech.edu · 26/09/2025

Welcome week has concluded with today’s convocation! Our Fall ‘25 Techers are well on their way to having a successful school year. Alum, what’s one piece of advice you wish you’d been given before your first term? #Caltech #Fall2025 #FutureOfSTEM

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Caltech @caltech.edu · 21/09/2025

The first day of class is just around the corner, so today we welcomed our newest Techers to campus! From housing to student life, our community showed up to help guide these future leaders of research toward the start of their next journey. #Fall2025 #Caltech #FutureOfSTEM

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Caltech @caltech.edu · 08/09/2025

David Baltimore, President Emeritus and the Judge Shirley Hufstedler Professor of Biology, Emeritus at Caltech and a co-recipient of the 1975 Nobel Prize in Physiology or Medicine, passed away on September 6, 2025. He was 87 years old. www.caltech.edu/about/news/c...

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Caltech @caltech.edu · 13/06/2025

Don’t forget to tag us in all of your graduation celebration posts! Using #Caltech2025, we’re reposting all day!

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Caltech @caltech.edu · 13/06/2025

Today we celebrate the graduating Class of 2025! Live at 10 AM PT, you can join us live here: commencement.caltech.edu/watch

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Caltech @caltech.edu · 09/06/2025

It's graduation season! This Friday is our big day, but you can join us in celebrating our impending graduates by including #Caltech2025 in your photo, video, and story posts all week!

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Caltech @caltech.edu · 30/05/2025

What causes neurodegenerative diseases like Alzheimer’s or Parkinson’s? And how are researchers developing treatments to stop them? Learn more from Caltech’s Viviana Gradinaru on the #CaltechScienceExchange. scienceexchange.caltech.edu/topics/neuro...

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Caltech @caltech.edu · 13/03/2025

Every year, third-year mechanical and civil engineering Techers take ME 72, a two-term, project-based course that culminates in the engineering design competition. The name of the game this year? Bot Hockey—but with a Caltech twist. www.caltech.edu/about/news/4...

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Caltech @caltech.edu · 26/02/2025

Tonight, we launch, to the moon! www.caltech.edu/about/news/n...

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Caltech @caltech.edu · 31/01/2025

The idea of traveling through interstellar space may sound like the stuff of sci-fi novels. The concept is to use lasers to propel miniature space probes attached to "lightsails" to reach ultrafast speeds and eventually our nearest star system. www.caltech.edu/about/news/t...

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Caltech @caltech.edu · 24/01/2025

On January 14, 2025, President Biden honored nearly 400 junior faculty members from across the country with the Presidential Early Career Award for Scientists and Engineers (PECASE). Among the honorees are three Caltech professors. Read more here: www.caltech.edu/about/news/P...

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Caltech @caltech.edu · 12/01/2025

Please consider making a contribution to this special fund that will be used by Caltech and JPL to directly support affected individuals and their families greatly impacted by this week's devastating fires in Southern California. giving.caltech.edu/areas-to-sup...

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Caltech @caltech.edu · 31/12/2024

As 2024 draws to a close, we look back at some of the Caltech-led discoveries and innovations from throughout the past year. www.caltech.edu/about/news/2...

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Caltech @caltech.edu · 25/12/2024

To those near and far, we wish you a Merry Christmas!

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Caltech @caltech.edu · 10/12/2024

Congratulations are in order for Shane Shahrestani and Justin Bui, who have been named two of Forbes 30 under 30 - Science 2025 honorees.

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Caltech @caltech.edu · 02/12/2024

Neuroscience unlocked! 🔐 Explore the newest addition to the #CaltechScienceExchange: Explore how breakthroughs in technology are advancing brain research and shaping the future of neuroscience. Start exploring: scienceexchange.caltech.edu/topics/neuro...

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Caltech @caltech.edu · 28/11/2024

We’re thankful for each and every one of you, enjoy your holiday!

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Caltech @caltech.edu · 08/04/2024

What a pleasure to welcome our neighbors to campus to share in the joy of astronomical observation!

A crowd of people watches the eclipse at Caltech, a pair of friends smile and point up at the sky in the front of the group

A crowd of people gather between the goals on a soccer field at Caltech's campus to watch the eclipse; at least one person raises their arms to cheer the event

A man and a woman sit cross-legged on the grass amid a crowd of people; they both are wearing orange Caltech eclipse glasses and gazing up at the sky

A young child watches the eclipse with two pair of orange Caltech viewing glasses

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Caltech @caltech.edu · 03/04/2024

There are scuba-certified biologists, speedcubers, NaNoWriMo participants, musicians, athletes, and STEM competition winners, among others. Not surprisingly, these admitted students share two unifying traits: a passion for science and an eagerness to experience everything Caltech offers.

Caltech Congratulates Admitted Students

315 admitted students

Pie chart showing that the admitted class if 49% male and 51% female.

36 nationalities

27 countries of residence

42 States and US territories, including D.C. and Puerto Rico

54 first-generation college students

25 QuestBridge Scholars (Each scholar receives a full four-year scholarship to Caltech through the QuestBridge National College Match program.)

17 Rural students (Caltech is a member of the Small Town and Rural Students (STARS) College Network, which is dedicated to widening access to higher education for rural and small-town students in the US.)

6 Student Refugees (The Global Student Haven Initiative provides a pathway for students affected by worldwide crises to apply to US-based colleges and universities with financial support.)

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Caltech @caltech.edu · 19/01/2024

Hello, friends! We're excited to join the conversation here on Bluesky. Follow us and learn about the latest in Caltech research and discovery. #Science #STEM #ScientificCommunity

Caltech's campus, with trees in the foreground, Caltech Hall rising tall on the right while a small telescope observatory dome rises lower on the left. In the distance, the Angeles Crest mountain range is snow topped and ringed by clouds under a bright blue sky.

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