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Eos is a leading source for trustworthy news and perspectives about the Earth and space sciences and their impact. Published by the American Geophysical Union (@agu.org).
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A planet more massive than Mercury could be lurking beyond the orbit of Pluto, but don't call it Planet X.

eos.org/articles/a-s...

Read more in our year-end issue: bit.ly/Eos-Nov-Dec2025
A Survey of the Kuiper Belt Hints at an Unseen Planet - Eos
An analysis of more than 150 objects in the far reaches of the solar system suggests that a planet more massive than Mercury could be lurking beyond the orbit of Pluto.
eos.org
A new study tracking 6.5M people finds heart attacks and strokes peak 2 months after hurricanes pass, not during the storm.

eos.org/articles/cyc...

Read more in our year-end issue: bit.ly/Eos-Nov-Dec2025
Cyclones Affect Heart Health for Months After They Subside - Eos
In a multicountry study, researchers found that cyclones increase the risk of heart disease–related hospitalizations for up to 6 months.
eos.org
December 26, 2025 at 11:45 PM
A festive #FossilFriday to all who celebrate! eos.org/tag/fossils-...
December 26, 2025 at 10:59 PM
Justin Higa is working to connect the worlds of geoscience and Ryukyuan classical music. Listen to his story—and the music—here. #AGU25
What Okinawan Sailor Songs Might Teach Us About the Climate - Eos
New work bridges the worlds of Ryukyuan classical music and the geosciences.
eos.org
December 26, 2025 at 7:07 PM
Help support high-quality science journalism. Please consider a tax deductible year-end donation to help Eos continue to provide ethical, accurate science reporting.

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December 26, 2025 at 4:02 PM
Understanding where in the world the “climate knowledge gender gap” is particularly wide can help international groups tailor education programs that can boost women’s climate literacy.
Democracy and Education Increase Women’s Belief in Climate Change - Eos
The finding, which focuses on lower-income countries, could help inform plans to shrink the global climate knowledge gender gap.
eos.org
December 26, 2025 at 3:28 PM
A planet more massive than Mercury could be lurking beyond the orbit of Pluto, but don't call it Planet X.

eos.org/articles/a-s...

Read more in our year-end issue: bit.ly/Eos-Nov-Dec2025
A Survey of the Kuiper Belt Hints at an Unseen Planet - Eos
An analysis of more than 150 objects in the far reaches of the solar system suggests that a planet more massive than Mercury could be lurking beyond the orbit of Pluto.
eos.org
December 25, 2025 at 11:45 PM
ICYMI, deep-sea mining is in the news again.

If you need a break from holiday cheer, you can learn why seabed mining is in the news, where it’s being considered, who’s behind it, and how the Trump administration is pursuing the option. And what potatoes have to do with it. eos.org/tag/deep-sea...
December 25, 2025 at 8:28 PM
When you support Eos, you support ethical and accurate science journalism.

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December 25, 2025 at 3:28 PM
Reposted by Eos
This is very bad news. For our NCAR colleagues of course, for climate scientists everywhere, and really, for everyone. I had the good fortune to spend two years at the Mesa Lab as an ASP postdoc, and it was one of the best scientific environments I have known.
December 24, 2025 at 5:16 PM
Help support high-quality science journalism. Please consider a one-time gift or AGU membership to help Eos continue to provide ethical, accurate science reporting.

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December 24, 2025 at 7:27 PM
Each year, members of the Coquille Indian Tribe give thanks for the first salmon of the season.

"If you give thanks regularly and with intent, then you’re less likely to abuse the resources that are there in front of you,” said former CIT chief Jason Younker.
Blending Science and Indigenous Knowledge to Tell an Estuary’s Story - Eos
A new study of nutrient levels in soil cores supports oral Indigenous history, informing future estuary restoration efforts.
eos.org
December 24, 2025 at 3:01 PM
Especially with #NISAR now orbiting Earth, satellite-based synthetic aperture radar could help map changes in snowpacks and provide water managers with important information, write researchers at #USGS #NASA #NASAGoddard #USACE and @boisestate.bsky.social. eos.org/features/sat...
Satellite Radar Advances Could Transform Global Snow Monitoring - Eos
The recent SnowEx campaign and the new NISAR satellite mission are lighting the way to high-resolution snowpack monitoring and improved decisionmaking in critical river basins around the world.
eos.org
December 24, 2025 at 2:10 PM
Reposted by Eos
It’s amazing what interdisciplinary work can find! 😍🤩 👇 Merry Christmas geo-folks!
December 23, 2025 at 4:58 PM
Volcanic eruptions shake up the Intertropical Convergence Zone.

eos.org/articles/vol...

Read more in our year-end issue: bit.ly/Eos-Nov-Dec2025
Volcanic Eruptions in One Hemisphere Linked to Floods in the Opposite One - Eos
Asymmetric volcanic plumes may shift equatorial weather patterns and increase tropical stream flow, according to new simulations.
eos.org
December 23, 2025 at 11:45 PM
New research indicates that roughly 4,300 cubic kilometers of sediment were displaced by the Stad Slide. That’s roughly 1,000 times the volume of material ejected by the largest volcanic eruption of the 20th century. eos.org/articles/new...
New Eyes on One of the Planet’s Largest Submarine Landslides - Eos
Researchers have mapped the ancient Stad Slide off the coast of Norway to better understand what triggered it, and the hunt is on for the tsunami it might have unleashed.
eos.org
December 23, 2025 at 7:05 PM
Eos depends on readers like you to sustain high-quality journalism and support for Earth and space scientists. Please consider making a year-end, tax-deductible donation to support our work.

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December 23, 2025 at 5:55 PM
Eighteenth century Ryukyuan sailor songs could improve our understanding of the climate. #AGU25
What Okinawan Sailor Songs Might Teach Us About the Climate - Eos
New work bridges the worlds of Ryukyuan classical music and the geosciences.
eos.org
December 23, 2025 at 4:55 PM
The Coquille Indian Tribe has long understood the importance of salmon to the Coos Bay estuary. In research presented at #AGU25, a team studied soils to learn more about how the estuary has changed over time. eos.org/articles/ble...
Blending Science and Indigenous Knowledge to Tell an Estuary’s Story - Eos
A new study of nutrient levels in soil cores supports oral Indigenous history, informing future estuary restoration efforts.
eos.org
December 23, 2025 at 3:02 PM
In low-income countries, more access to education and civil liberties increases women’s and gender minorities’ belief that climate change is caused by human activity. eos.org/articles/dem...
Democracy and Education Increase Women’s Belief in Climate Change - Eos
The finding, which focuses on lower-income countries, could help inform plans to shrink the global climate knowledge gender gap.
eos.org
December 23, 2025 at 2:45 PM
Some of NOLA’s floodwalls are sinking.

eos.org/articles/par...

Read more in our year-end issue: bit.ly/Eos-Nov-Dec2025
Parts of New Orleans Are Sinking - Eos
Areas near the airport, along floodwalls, and in nearby wetlands are subsiding because of a combination of natural and anthropogenic forces.
eos.org
December 22, 2025 at 11:45 PM
Both butterflies and the plants they rely on are shifting habitats in response to climate change, but not always in the same way. In tropical Asia, some butterflies could lose up to 40% of shared habitat with their host plants. 🦋 🌱
Climate Change Could Drive Butterflies and Plants Apart - Eos
Insects and the plants they depend on are migrating in response to climate change, but not always in the same way.
eos.org
December 22, 2025 at 6:30 PM
The concept of “hydrological memory” helps explain why a highlands ecosystem in China reacted so differently to a drought versus a heat wave.
An Ecosystem Never Forgets - Eos
A new study in southwestern China shows how ecosystems may exhibit “hydrological memory,” which affects how they react to extreme climate events such as heat and drought.
eos.org
December 22, 2025 at 5:43 PM
Reposted by Eos
My latest audio story for @eos.org features some beautiful 18th-century Ryukyuan songs—and the researchers who are investigating what this music can teach us about our climate. 🧪🎶

eos.org/articles/wha...
What Okinawan Sailor Songs Might Teach Us About the Climate - Eos
New work bridges the worlds of Ryukyuan classical music and the geosciences.
eos.org
December 22, 2025 at 5:02 PM
Thinking about where to direct your year-end donations? Please consider supporting the journalism we do at Eos!

We've brought you news about Earth and space science—and the policies that affect it—throughout the year. And we'll continue to cover it in the months and years ahead.

bit.ly/SupportEos
a cartoon of winnie the pooh with his eyes closed and a red shirt
Alt: Winnie the Pooh strokes his chin and says "Think, think, think."
media.tenor.com
December 22, 2025 at 5:10 PM