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“Especially if we’re interested in things like, ‘Was there ever life on Mars?’ we look to extreme environments on Earth because they tell us the range of habitable environments." eos.org/articles/the...

#PPOD: NASA's Perseverance rover has made history! On October 11, 2026, the rover reached a total distance of 45.22 kilometers across Mars, surpassing the 45.16-kilometer record set by its predecessor, Opportunity. 🧪 🔭

Northeast North America’s alpine zones are getting greener as the climate changes. But the Northeast’s unusual wind patterns could help preserve some ecosystems, for now. 💨⛰️ eos.org/articles/in-...

It's the #RiverCup2026 final four! Today we'll go with the Murray-Darling, Australia's largest river system and one of the world's most at-risk basins. eos.org/research-spo...

Just in: The winner from #RiverCup2026 Round 3 Matchup 4 is: Rio Tinto!! Next up: Round 4! Join us for a semifinal showdown and help decide who advances to the final!! VOTE for #FinalFour until 10/26! www.agu-h3s.org/rivercup #RiverCup2026

We tell stories about Earth and space science that you won’t find anywhere else. Set eos.org as a preferred source on Google to make sure you don’t miss the latest. www.google.com/preferences/...

“Peatlands have taught us perhaps more about human history than any other [landscape],” says @queenofpeat.bsky.social. “They're storytellers about Earth's history. They're storytellers about early human societies.” eos.org/features/nat... Read more in our October issue: eos.org/themes/secre...

41 years of Landsat satellite images revealed that alpine zones in northeastern North America, including the Green Mountains, White Mountains, Adirondacks, and Chic-Choc Mountains, are getting greener. ⛰️ eos.org/articles/in-...

These unusual lakes could teach us about where life can exist—on Earth and beyond. eos.org/articles/the...

We need ethical, accurate science reporting now more than ever. Help Eos continue to provide context for law and policy changes that impact Earth and space scientists around the world. Donate today. bit.ly/SupportEos

Formaldehyde + water can help create organic material. Could that have happened on Mars? A new study says yes! eos.org/articles/whe...

OP: Satellite Earth observations are becoming increasingly capable & accessible. But for mountain landscapes, shortages of ground-based precipitation measurements and other in situ observations contribute to poorly calibrated & validated hydrological data products and models. eos.org/opinions/bre...

An oceanic earthquake buried an Arctic glacier under a million cubic meters of rock. Seems straightforward, but was there something more at play? eos.org/articles/a-r...

Sudden cold snaps caused by instabilities in the polar vortex can be hard to predict. A new machine learning method from researchers at the University of Chicago could reveal a path to detect early-warning signals of such events. #AGUPubs eos.org/research-spo...

Most planets form during the process of a star’s birth. This one seems to have formed out of a star’s death. eos.org/articles/whi...

Read the latest on the topic everyone is talking about: Alfvénic modulation. eos.org/research-spo...

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Living near a well construction zone can raise the risk of valley fever in Kern County, found new research. eos.org/articles/oil...

Scientific research and the platforms to share it are facing mounting financial challenges. Your support is more important than ever. Please make your recurring, tax-deductible donation to sustain ethical and accurate science journalism at Eos. bit.ly/SupportEos

Colorado’s lovely East River provides habitat for beavers, one of our favorite semiaquatic rodents. 🦫 It’s got our #RiverCup2026 vote today. eos.org/tag/beavers (📸 National Park Service/Jim Ecklund)

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Mapping where formaldehyde could have rained down on Mars and generated prebiotic chemistry could help future Mars missions select locations for exploration. eos.org/articles/whe...

“Living labs…in which local stakeholders, researchers, and institutions collaborate to frame problems and codesign solutions in real-world contexts, offer one template for how to break these loops.” eos.org/opinions/bre...

The old Theia is dead, a new Moon struggles to be born. Now is the time of monsters. . . er, new models for the formation of our Moon. Adeene Denton (@spacewhalerider.com) and colleagues showed a way to smooth the process of Moon formation. 🔭🧪 eos.org/articles/was...

“Especially if we’re interested in things like, ‘Was there ever life on Mars?’ we look to extreme environments on Earth because they tell us the range of habitable environments,” said @kbenison.bsky.social. 🧪 eos.org/articles/the...

Drained peatlands emit 5% of global greenhouse gases. Rewetting them helps. But what happens to the birds when you also put solar panels on top? eos.org/articles/for... Read more in our October issue: eos.org/themes/secre...

Ahh, facts. How refreshing. Support high-quality science journalism from Eos with a donation today. bit.ly/SupportEos

Did the Viking 2 lander detect a marsquake 50 years ago? It seems like it, new research suggests. eos.org/research-spo...

Warming from climate change may be making natural disasters more likely in the Arctic, according to a new study that linked an oceanic earthquake with a rock avalanche several kilometers away. eos.org/articles/a-r...

Drastic budget cuts to the next generation of NOAA satellites “could put vital weather observations at risk,” suggests a new report from the Government Accountability Office. eos.org/research-and...

The Rio Tinto has our vote! We love a Mars analog, even if that means it's not safe for swimming. #RiverCup2026 PC: Juanje Orío, Flickr, CC BY-SA 2.0

Cases from across the Andes show how data scarcity loops persist or break depending on factors such as the availability of and ability to maintain local data-collecting infrastructure, write Vasco Mantas @ucoimbra.bsky.social and colleagues. eos.org/opinions/bre...

Sudden cold snaps caused by instabilities in the polar vortex can be hard to predict. A new machine learning method from researchers at the University of Chicago could reveal a path to detect early-warning signals of such events. #AGUPubs eos.org/research-spo...

🎵 Hikin' in a rocky wonderland 🎵 Give a warm welcome to Chiricahua as it joins the pantheon of U.S. national parks! The "Wonderland of Rocks" has hundreds of rock spires and a blended ecosystem of grassland, desert, & forest. (from @washingtonpost.com) www.washingtonpost.com/climate-envi...

Most planets form during the process of a star’s birth. This one seems to have formed out of a star’s death. eos.org/articles/whi...

Don’t miss the latest from Eos. Set us as a preferred source on Google. www.google.com/preferences/...

Did the Viking 2 lander detect a marsquake 50 years ago? It seems like it, new @aguadvances.bsky.social research suggests. 🧪🔴 eos.org/research-spo...

In Finland, rewetting forestry-drained peatlands could yield climate benefits within decades, a study suggests. eos.org/articles/res... Read more in our October issue: eos.org/themes/secre...