• About
  • Sections
  • Topics
    • Climate
    • Earth Science
    • Oceans
    • Space & Planets
    • Health & Ecosystems
    • Culture & Policy
    • Education & Careers
    • Opinions
  • Projects
    • ENGAGE
    • Editors’ Highlights
    • Editors’ Vox
    • Eos en Español
    • Eos 简体中文版
    • Print Archive
  • Blogs
    • Research & Developments
    • The Landslide Blog
  • Newsletter
  • Submit to Eos
  • AGU.org
  • Career Center
  • Join AGU
  • Give to AGU
  • About
  • Sections
  • Topics
    • Climate
    • Earth Science
    • Oceans
    • Space & Planets
    • Health & Ecosystems
    • Culture & Policy
    • Education & Careers
    • Opinions
  • Projects
    • ENGAGE
    • Editors’ Highlights
    • Editors’ Vox
    • Eos en Español
    • Eos 简体中文版
    • Print Archive
  • Blogs
    • Research & Developments
    • The Landslide Blog
  • Newsletter
  • Submit to Eos
Skip to content
  • AGU.org
  • Career Center
  • Join AGU
  • Give to AGU
Eos

Eos

Science News by AGU

Support Eos
Sign Up for Newsletter
  • About
  • Sections
  • Topics
    • Climate
    • Earth Science
    • Oceans
    • Space & Planets
    • Health & Ecosystems
    • Culture & Policy
    • Education & Careers
    • Opinions
  • Projects
    • ENGAGE
    • Editors’ Highlights
    • Editors’ Vox
    • Eos en Español
    • Eos 简体中文版
    • Print Archive
  • Blogs
    • Research & Developments
    • The Landslide Blog
  • Newsletter
  • Submit to Eos

paleoclimatology & paleoceanography

A hand holds a disc of ice between thumb and forefinger while the person’s other hand points at it with the little finger. On a surface below, a ruler can be seen.
Posted inNews

Centennial-Scale Jumps in CO2 Driven by Earth’s Tilt

Katherine Kornei, Science Writer by Katherine Kornei 8 November 20248 November 2024

Antarctic ice records uncovered seven previously unknown jumps in atmospheric carbon dioxide. These events may have been driven by changes in Earth’s tilt.

Artist’s interpretation of a river on Mars, stretching off into the distance, where there is a wall of ice. Red soil is on either side of the water.
Posted inResearch Spotlights

How an Ocean-Sized Lake May Have Formed on Ancient Mars

by Saima May Sidik 6 November 20246 November 2024

The catastrophic collapse of Mars’s atmosphere may have melted its polar ice cap, creating an ice-covered southern sea.

Layers of rock visible in a cliff in Nanliang, Shanxi, China.
Posted inNews

Mega El Niño May Have Led to Major Mass Extinction 252 Million Years Ago

by Rebecca Owen 11 October 20244 August 2025

The extreme climate conditions wrought by a decades-long ENSO pattern could be the culprit in the Great Dying, which wiped out nearly 90% of life on Earth.

An underwater picture of a scientist wearing red and black waterproof pants and boots standing in thigh-high water on an ancient underwater bridge.
Posted inNews

Underwater Bridge Suggests a Surprising Date for First Migration to Mallorca

by Elise Cutts 8 October 20249 October 2024

A controversial study suggests that humans settled on the Spanish island 1,000 years earlier than archaeologists believe.

汉代长城是一层层长满青草的褐色结构。
Posted inNews

在中国长城寻找气候线索

by J. Besl 23 September 202423 September 2024

在中国的西北部,沙漠条件保存了长城最偏远的部分。科学家们正在探索着2000年前的建筑材料,以寻找该地区过去气候的迹象。

Three people wearing orange safety jackets stand on the deck of a ship in the Arctic.
Posted inNews

Swedish Icebreaker Is the First to Dig Into Greenland’s Remote Victoria Fjord

by Grace van Deelen 13 September 202413 September 2024

Data collected aboard Oden will shed light on the dynamics of the Greenland Ice Sheet.

Two wide, brown, gnarled tree trunks with sparse, dark greenery grow against a blue sky from lightly snow- and rock-covered ground, with low, sparse surrounding shrublike vegetation and more dark-colored trees in the far distance along a ridgeline.
Posted inResearch Spotlights

Ancient Pines Could Reveal the Heat of Thousands of Past Seasons

Sarah Stanley, Science Writer by Sarah Stanley 5 August 20245 August 2024

A novel 3D CT scan approach unlocks temperature records preserved in the gnarled wood of bristlecone pines.

Red-tinted water flows in a shallow stretch of river, with a rocky shoreline and forested hillslope in the background.
Posted inScience Updates

How Great was the “Great Oxidation Event”?

by Aubrey Zerkle 30 July 202416 January 2025

Geochemical sleuthing amid acid mine runoff suggests that scientists should rethink an isotope signal long taken to indicate low levels of atmospheric oxygen in Earth’s deep past.

A pair of hands holds a fossilized clam over a flat surface..
Posted inNews

Fossilized Shells Reveal the Seasonality of a Warmer Climate

by Sierra Bouchér 26 July 202425 July 2024

Summers could warm faster than winters in northern Europe, paleoclimate research suggests.

Alexander Farnsworth stands in front of a snow-capped mountain.
Posted inFeatures

Alexander Farnsworth: Finding Fact in Climate Fiction

by Rebecca Owen 25 July 202425 July 2024

A paleoclimatologist uses his modeling skills for both science and sci-fi.

Posts pagination

Newer posts 1 2 3 4 5 … 31 Older posts
A view of a Washington, D.C., skyline from the Potomac River at night. The Lincoln Memorial (at left) and the Washington Monument (at right) are lit against a purple sky. Over the water of the Potomac appear the text “#AGU24 coverage from Eos.”

Features from AGU Publications

Research Spotlights

Can Microorganisms Thrive in Earth’s Atmosphere, or Do They Simply Survive There?

7 August 20257 August 2025
Editors' Highlights

How Flexible Enhanced Geothermal Systems Control Their Own Seismicity

7 August 20255 August 2025
Editors' Vox

Early-Career Book Publishing: Growing Roots as Scholars

6 August 202530 July 2025
Eos logo at left; AGU logo at right

About Eos
ENGAGE
Awards
Contact

Advertise
Submit
Career Center
Sitemap

© 2025 American Geophysical Union. All rights reserved Powered by Newspack