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Danny Glavin

@meteordannyg.bsky.social
185 followers 92 following 67 posts

Astrobiologist and Senior Scientist at NASA's Goddard Space Flight Center; author of Frozen in Time: Hunting Meteorites in Antarctica for Signs of Life; enjoys spending time with family, memories of surfing in California, golfing, and the Fall in Maryland.

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Danny Glavin @meteordannyg.bsky.social · 04/10/2026
Happy to contribute to this book available soon. Chapter 13 is about the story of the founders of the Astrobiology Analytical Lab at NASA Goddard. A hard chapter to finish writing as 40% of our lab members left NASA due to downsizing of the federal government in 2025. share.google/ryEuryFRiCro...
share.google
Astrobiology and the People Who Study It: Stories of Science and Self
The first of its kind, this book is a collection of memoirs that describe the lives – not just the science – of some of the people who have advanced our understanding of the conditions for life on Ear...
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Space.com @space.com · 27/09/2026
Asteroid samples from NASA's epic OSIRIS-REx mission show Bennu was born from fire and ice www.space.com/astronomy/as...
space.com
Asteroid samples from NASA's epic OSIRIS-REx mission show Bennu was born from fire and ice
The findings also suggest that the material that gave birth to Bennu was representative of the average elemental content of the planet-forming disk that also formed Earth and the planets.
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Space.com @space.com · 24/09/2026
'Mars constantly throws surprises at you': Perseverance rover finds evidence of ancient hot water in Red Planet crater www.space.com/astronomy/ma...
space.com
'Mars constantly throws surprises at you': Perseverance rover finds evidence of ancient hot water in Red Planet crater
NASA's Perseverance rover uncovered evidence of water interacting with rocks in Mars' Jezero Crater multiple times, including a period of hot groundwater activity.
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Danny Glavin @meteordannyg.bsky.social · 18/07/2026
abc7ny.com/post/new-jer...
abc7ny.com
Meteorite that crashed into a New Jersey home contains 'extraterrestrial' amino acids
Only one fragment was recovered, and that's because it punched through the ceiling of a master bedroom in a Hillsborough, New Jersey, home.
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Danny Glavin @meteordannyg.bsky.social · 22/04/2026
www.trtworld.com/article/d3c4...
trtworld.com
TRT World - What made us might have made aliens too and here’s why
NASA’s latest asteroid samples reveal that key ingredients for life likely arrived from space billions of years ago, hinting at the possibility of extraterrestrial life.
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Danny Glavin @meteordannyg.bsky.social · 21/04/2026
Some exciting new martian organic detections by the SAM instrument on the Curiosity rover exploring Gale crater, Mars. Congratulations to Amy Williams and everyone else on the team for achieving this major mission milestone! www.jpl.nasa.gov/news/nasas-c...
jpl.nasa.gov
NASA’s Curiosity Finds Organic Molecules Never Seen Before on Mars
Seven organic molecules were identified for the first time on Mars, increasing our understanding of the kinds of molecular preservation possible on the Martian surface.
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Danny Glavin @meteordannyg.bsky.social · 02/04/2026
Congratulations to Yasuhiro Oba and the OSIRIS-REx science team on this exciting new paper published today in Nature Communications Chemistry on the formation of nucleobases (the components of the genetic code in life) in samples from asteroid Bennu! www.nature.com/articles/s42...
nature.com
Distribution of extraterrestrial nucleobases, other N-heterocycles, and their precursors in a sample from asteroid Bennu - Communications Chemistry
The presence of all canonical nucleobases in samples from Bennu has previously provided evidence that some of life’s ingredients were synthesized abiotically in the parent body of this asteroid and/or...
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Max Kozlov @maxkozlov.bsky.social · 27/02/2026
Congress rejected massive cuts to US science budgets for 2026, but much of the money still isn’t flowing to researchers. The culprit? The White House Office of Management and Budget (OMB) is quietly slow-walking the release of funds. 🧵👇
nature.com
White House stalls release of approved US science budgets
The US Congress rejected sweeping cuts to science agencies. But the NIH, the NSF and NASA have had their spending slowed.
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Danny Glavin @meteordannyg.bsky.social · 18/02/2026
www.usatoday.com/story/news/n...
usatoday.com
NASA Mars rover finds new clues pointing to past life on Mars
Scientists may be one step closer in their hunt for signs of past life on Mars after the Curiosity rover's latest find.
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Danny Glavin @meteordannyg.bsky.social · 07/02/2026
science.nasa.gov/blogs/scienc...
science.nasa.gov
NASA Study: Non-biologic Processes Don’t Fully Explain Mars Organics - NASA Science
In a new study, researchers say that non-biological sources they considered could not fully account for the abundance of organic compounds in a sample
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Danny Glavin @meteordannyg.bsky.social · 16/01/2026
communities.springernature.com/posts/search...
communities.springernature.com
Searching for bio-essential sugars in a sample of Bennu acquired by NASA’s OSIRIS-REx mission
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Danny Glavin @meteordannyg.bsky.social · 07/01/2026
www.nationalgeographic.com/science/arti...
nationalgeographic.com
This asteroid is spilling secrets about the origin of life on Earth
Grab-and-go missions to asteroids have provided some of the most scientifically valuable samples since the Apollo missions—and they’re shaking up the search for life beyond Earth.
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Danny Glavin @meteordannyg.bsky.social · 03/01/2026
This should be an interesting NOVA PBS episode about asteroids and the origin of life premiering on January 21. www.pbs.org/wgbh/nova/vi...
pbs.org
Asteroids: Spark of Life?
What if violent asteroid impacts actually jump-started life on Earth? Explore a dramatic theory.
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Danny Glavin @meteordannyg.bsky.social · 11/12/2025
A Moment of Science. www.13abc.com/2025/12/10/m...
13abc.com
Moment of Science: “Bioessential sugars” found in asteroid samples
A distant discovery that's as sweet as can be! Here's the new evidence for "bioessential sugars" contained in asteroids, courtesy of NASA's OSIRIS-REx mission. 🪨🛰️
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Danny Glavin @meteordannyg.bsky.social · 05/12/2025
Thank you @captmarkkelly.bsky.social for sharing your excitement about the recent results from NASA's OSIRIS-Rex asteroid sample return mission! We are rewriting the textbooks on asteroid science and our understanding of the possibility of life elsewhere. ca.news.yahoo.com/mark-kelly-s...
ca.news.yahoo.com
Mark Kelly Says This 'Exciting' Scientific Find Raises Questions Of Life Beyond Earth
NASA said the discovery shows such "building blocks" of life are "widespread throughout the solar system."
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Danny Glavin @meteordannyg.bsky.social · 02/12/2025
youtu.be/9LyH6jTefU8
youtu.be
Bio-Essential Sugars Discovered in Samples from Asteroid Bennu
YouTube video by NASA Video
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Danny Glavin @meteordannyg.bsky.social · 02/12/2025
Exciting new results from asteroid Bennu published today in Nature including new clues about the origin of the chemical building blocks of life! www.nasa.gov/missions/osi...
nasa.gov
Sugars, ‘Gum,’ Stardust Found in NASA's Asteroid Bennu Samples - NASA
The asteroid Bennu continues to provide new clues to scientists’ biggest questions about the formation of the early solar system and the origins of life. As
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Danny Glavin @meteordannyg.bsky.social · 02/12/2025
Another major scientific discovery from asteroid Bennu samples returned by NASA's OSIRIS-REx mission published today in Nature Geoscience. And this one is particularly sweet! www.nature.com/articles/s41...
nature.com
Bio-essential sugars in samples from asteroid Bennu - Nature Geoscience
Samples returned from asteroid Bennu contain bio-essential sugars such as ribose and glucose that may have formed in the parent asteroid from brines containing formaldehyde, according to a geochemical...
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Danny Glavin @meteordannyg.bsky.social · 27/11/2025
A gift that keeps on giving! One step closer to understanding how the chemical building blocks of life were formed in space. Congratulations to Angel Mojarro and the entire OSIRIS-REx team for making this discovery possible! www.cnn.com/2025/11/27/s...
cnn.com
Scientists find evidence that an asteroid contains tryptophan | CNN
An essential amino acid that is mistakenly believed to cause drowsiness after eating turkey has been found in an asteroid for the first time, giving scientists clues to the origin of life on Earth.
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Danny Glavin @meteordannyg.bsky.social · 24/11/2025
Check out these exciting new results from asteroid Bennu samples published in PNAS today by Angel Mojarro, a member of the Astrobiology Analytical Lab at NASA Goddard! Prebiotic organic compounds in samples of asteroid Bennu indicate heterogeneous aqueous alteration www.pnas.org/doi/10.1073/...
pnas.org
Prebiotic organic compounds in samples of asteroid Bennu indicate heterogeneous aqueous alteration | PNAS
NASA’s OSIRIS-REx mission characterized the asteroid Bennu and delivered pristine samples of its regolith to Earth. Coordinated analyses of this pr...
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Danny Glavin @meteordannyg.bsky.social · 18/11/2025
www.nasa.gov/news-release...
nasa.gov
NASA to Share Comet 3I/ATLAS Images From Spacecraft, Telescopes - NASA
NASA will host a live event at 3 p.m. EST, Wednesday, Nov. 19, to share imagery of the interstellar comet 3I/ATLAS collected by a number of the agency’s
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Danny Glavin @meteordannyg.bsky.social · 13/11/2025
For anyone studying organics in extraterrestrial samples, consider submitting an abstract to the session I am co-convening at AbSciCon. The conference will be in Madison, WI on May 17-22, 2026. Submission deadline: January 14. For more details, visit the session link: agu.confex.com/agu/abscicon...
agu.confex.com
Prebiotic Organic Chemistry in Solar System and their Role in the Emergence of Life on the early Earth
This session will focus on the organic molecules in samples from the primitive bodies, such as asteroids, meteorites, and cometary dust particles, relevant to the origin and evolution of life. Recent ...
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Danny Glavin @meteordannyg.bsky.social · 08/11/2025
Check out Behind the Wings 'Unlocking Asteroid Secrets' which will air on PBS later this month. An excellent summary of NASA's OSIRIS-REx asteroid sample return mission including some science discoveries from the Astrobiology Analytical Lab at Goddard share.google/A9Ve47s2dE0V...
share.google
Behind The Wings | Unlocking Asteroid Secrets | Season 7 | Episode 4
Explore how NASA's OSIRIS-Rex may change our understanding of our place in the universe.
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Danny Glavin @meteordannyg.bsky.social · 31/10/2025
www.space.com/space-explor...
space.com
NASA is sinking its flagship science center during the government shutdown — and may be breaking the law in the process, critics say
"There is just a general acknowledgement that a lot of what is happening is illegal…"
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Danny Glavin @meteordannyg.bsky.social · 25/10/2025
Great study and paper led by Maria-Paz Zorzano increasing the likelihood that biosignatures could be preserved in Mars surface rocks despite exposure to ionizing radiation for tens of millions of years. Can DNA survive on Mars? | Research Communities by Springer Nature share.google/2MgxSlXyq3YA...
share.google
Can DNA survive on Mars?
Simulating over 100 million years of Martian surface radiation on ancient Earth rocks, we recovered readable DNA fragments and microbiome fingerprints—insights that sharpen how we’ll search Mars rock ...
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Danny Glavin @meteordannyg.bsky.social · 20/10/2025
Maybe life on Mars could be preserved in a frozen state in the martian permafrost. We should send a life detection mission to find out. www.space.com/astronomy/ma...
space.com
If life on Mars exists, it may be preserved in a frozen time capsule
Experiments show that biomolecules trapped in pure ice could withstand the harsh radiation of Mars for tens of millions of years.
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NASAWATCH @nasawatch.bsky.social · 13/10/2025
A message from JPL Director Dave Gallagher announces a JPL layoff of 500 people has been announced that is "not related to the current government shutdown". www.jpl.nasa.gov/news/jpl-wor...
jpl.nasa.gov
JPL Workforce Update
A message from JPL Director Dave Gallagher
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nasa-needs-help.bsky.social @nasa-needs-help.bsky.social · 14/09/2025
Don’t forget: protest tomorrow outside of NASA HQ in Washington DC! Speakers will be out from 12-1pm. See you there! #nasaneedshelp #protest #washingtondc
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Danny Glavin @meteordannyg.bsky.social · 29/08/2025
astrobiology.com/2025/08/slow...
astrobiology.com
Slow Radiolysis of Amino Acids in Mars-Like Permafrost Conditions: Applications to the Search for Extant Life on Mars - Astrobiology
Future missions dedicated to the search for extant life on Mars will require a clear understanding of the organic biosignature degradation processes in the shallow icy subsurface.
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Danny Glavin @meteordannyg.bsky.social · 24/08/2025
actionnetwork.org/petitions/sa...
actionnetwork.org
Save the NASA Goddard Visitor Center!
The NASA Goddard Visitor Center is the gateway between the cutting-edge science done inside the center and the public that this science aims to serve and inspire. From our Sun to the outer planets, cu...
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Carl Zimmer @carlzimmer.com · 31/07/2025
Meet Syn57, a living cell that only needs 57 codons, not the standard 64. Here's my story on how synthetic biology is tackling the mystery of our bloated genetic code. Gift link: nyti.ms/3Hf4f9v
nyti.ms
Scientists are Learning to Rewrite the Code of Life
In a giant feat of genetic engineering, scientists have created bacteria that make proteins in a radically different way than all natural species do.
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NPR @npr.org · 13/07/2025
Sotheby's in New York will be auctioning the largest piece of Mars ever found on Earth.
n.pr
The biggest piece of Mars on Earth is going up for auction in New York
Sotheby's in New York will be auctioning the largest piece of Mars ever found on Earth.
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Danny Glavin @meteordannyg.bsky.social · 11/07/2025
‘It’s a nightmare.’ U.S. funding cuts threaten academic science jobs at all levels | Science | AAAS www.science.org/content/arti...
science.org
‘It’s a nightmare.’ U.S. funding cuts threaten academic science jobs at all levels
“There is a lot of pressure to essentially leave the country or not pursue research,” one Ph.D. student says
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Casey Dreier @caseydreier.bsky.social · 07/07/2025
Today, *every* living prior leader of NASA's science directorate have released a joint letter condemning the proposed cuts to NASA science. These individuals every administration from Reagan to Biden, and all believe these cuts are insanely destructive: www.planetary.org/press-releas...
planetary.org
Every living NASA science chief unites in opposition to unprecedented…
The entire past leadership of NASA’s science activities have released a joint statement condemning the proposed 47% cuts proposed to the agency’s science…
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Danny Glavin @meteordannyg.bsky.social · 30/06/2025
Happy Asteroid Day! After delivering samples from asteroid Bennu to Earth in September 2023, the OSIRIS-REx mission has revealed fundamental clues about the origin of the building blocks of life in our Solar System. youtu.be/KWF0BVPCHI8?...
youtu.be
‘Asteroid City’ Cast Asks NASA About OSIRIS-REx Asteroid Mission
YouTube video by NASA
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biometlab @biometlab.bsky.social · 26/06/2025
Just posted an OpEd in our local paper, the Brentwood Press, on defending science, as encouraged by @wclivestream.bsky.social and others @natureatcal.bsky.social www.thepress.net/opinion/we-s...
thepress.net
We should not dismantle science across America
The Trump administration is destroying our scientific institutions, its infrastructure, and intellectual capital at an unprecedented pace. Scientists are being fired without cause from many federal ag...
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Danny Glavin @meteordannyg.bsky.social · 25/06/2025
A fun interview for Today's Science about my path to becoming a scientist at NASA including some recent discoveries from samples returned from asteroid Bennu by OSIRIS-REx. tsof.infobase.com/articles/QXJ...
tsof.infobase.com
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Danny Glavin @meteordannyg.bsky.social · 02/06/2025
Panel on the search for evidence of life on Mars at the Humans to the Moon and Mars Summit in Washington DC. We are getting closer to an answer. m.youtube.com/watch?v=ieZz...
m.youtube.com
Life on Mars: Past, Present, Future | H2M2 2025 Panel Discussion
YouTube video by ExploreMars.Org
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The Planetary Society @planetarysociety.bsky.social · 09/06/2025
Our global petition to save NASA science closes this Thursday, and we’re just shy of 15,000 signatures! Every name counts, this petition will be hand-delivered to members of Congress. Add yours today, Save NASA Science. planet.ly/petition
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Springer Nature @springernature.com · 06/06/2025
Read the Nature Astronomy paper, where @meteordannyg.bsky.social and colleagues conclude that Bennu has a much richer complexity in organic matter than terrestrial biology and suggest that its parent body may have come from the outer Solar System here: www.nature.com/articles/s41...
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Springer Nature @springernature.com · 06/06/2025
OA research published in @nature.com & @natastron.nature.com analysed rock and dust samples brought back from the near-Earth asteroid Bennu. The findings offer new insights into the early Solar System's chemistry. See the links to the articles below 👇http://spklr.io/63320B6KI2
spklr.io
Bennu samples yield organic matter, amino acids and salts
Open Access research published in Nature Astronomy and Nature analysed rock and dust samples brought back from the near-Earth asteroid Bennu. In 2018, the OSIRIS-REx mission arrived at the near-Earth asteroid Bennu to collect pristine samples, untouched by alterations induced by Earth's atmosphere, to be analysed on Earth. The findings offer new insights into the early Solar System's chemistry. Read the Nature Astronomy paper, where Daniel Glavin and colleagues conclude that Bennu has a much richer complexity in organic matter than terrestrial biology and suggest that its parent body may have come from the outer Solar System here: http://spklr.io/6053B6KnD Read the Nature paper where Timothy McCoy and colleagues found indicators for the potential past presence of water on Bennu. The findings raise questions about the potential for prebiotic organic synthesis, which requires further investigations. http://spklr.io/6056B6KnG
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Danny Glavin @meteordannyg.bsky.social · 02/06/2025
Panel on the search for evidence of life on Mars at the Humans to the Moon and Mars Summit in Washington DC. We are getting closer to an answer. m.youtube.com/watch?v=ieZz...
m.youtube.com
Life on Mars: Past, Present, Future | H2M2 2025 Panel Discussion
YouTube video by ExploreMars.Org
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Robert Reich @rbreich.bsky.social · 01/06/2025
"We can have democracy in this country, or we can have great wealth concentrated in the hands of a few, but we can't have both."  —Louis Brandeis
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David Grinspoon @drfunkyspoon.bsky.social · 01/06/2025
Yes the Dems need to run on Good Government. It will beat No Government (In a fair fight it would, at least…)
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Paul Byrne @theplanetaryguy.com · 31/05/2025
Inspired by @jtuttlekeane.bsky.social and @ohdearz.bsky.social, here's what the White House proposed budget cuts to NASA would do to the entirety of the agency's Science Mission Directorate. Bloodbath is right.
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Danny Glavin @meteordannyg.bsky.social · 29/05/2025
Had a wonderful time discussing the search for life on Mars at the 2025 Humans to the Moon and Mars Summit in Washington DC this week with Jim Green, Tariq Malik and Jen Eigenbrode! #H2M2
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Sheril Kirshenbaum @sheril.bsky.social · 25/05/2025
The question isn't whether America can afford to invest in #science, but whether it can afford not to. US leaders seem to have forgotten innovation is the backbone of American success. If we want to maintain an advantage, we need policies that recognize science isn't an expense - it's our future.
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Danny Glavin @meteordannyg.bsky.social · 08/05/2025
www.scientificamerican.com/article/trum...
scientificamerican.com
Trump Seeks to Cancel NASA’s Mars Sample Return—And Scientists Are Outraged
After billions of dollars in spending and decades of planning, NASA may be forced to abandon precious samples of air, rock and soil on the Martian surface. Experts are furious
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Danny Glavin @meteordannyg.bsky.social · 19/04/2025
Learning new secrets about the origin of life at Meteor Crater, Arizona.
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Danny Glavin @meteordannyg.bsky.social · 18/04/2025
Snow day at Lowell Observatory!
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