• 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

light

Palm swamp in Peru
Posted inNews

Peeking at Peatlands: Satellite Data Fuel New Findings

Adityarup Chakravorty, freelance science writer by Adityarup Chakravorty 15 June 202229 June 2022

Researchers are combining hard-to-get field measurements with satellite imagery to gain new insight into where peatlands are and how they work.

A poof of red and yellow light shoots out of a dark red and black star
Posted inNews

Coronal Dimmings Shine Light on Stellar CMEs

Jenessa Duncombe, Staff Writer by Jenessa Duncombe 6 June 202225 August 2022

Coronal mass ejections from stars have eluded easy observation, so scientists are looking at what’s left behind.

Three panels adapted from the paper that show moonlight imagery, a low cloud test, and a cloud mask.
Posted inEditors' Highlights

When Less is More—The Moon Sheds Light on Clouds at Night

by Jonathan H. Jiang 12 April 20227 February 2024

Shining light into the dark reveals the unseen, but in some cases, it changes our perception of reality. Through moonlight we learn how the environment tricks our ways of finding nocturnal clouds.

A bright blue light is seen just under the water’s surface off the back of a docked boat.
Posted inFeatures

A Bright, LED-Lit Future for Ocean Sciences

by Collin P. Ward 20 December 202118 April 2022

LEDs have taken over the global lighting market. Now it’s time for this versatile, low-cost, and energy-efficient technology to illuminate oceanic processes.

Birds flying over a city at dawn
Posted inNews

Bright Lights, Big Cities Attract Migratory Birds

by Brian Phan 14 December 202127 March 2023

The first stopover site map for U.S. migratory birds reveals the attraction of urban light pollution.

Plot comparing of spectral dependence of relative solar cycle variability in percentage change from the 2009 minimum level for the SSI3 composite for four solar cycles.
Posted inEditors' Highlights

Newly Improved Solar Spectral Irradiance Composite Record

by Astrid Maute 11 October 20216 December 2022

A new study accurately captures solar irradiance, which is crucial to understand the energetics and radiation balance of Earth and its influences on the cryosphere, atmosphere, and ocean currents.

Sunrise over snow.
Posted inNews

Laser Flashes Shed Light on a Changing Arctic

Katherine Kornei, Science Writer by Katherine Kornei 18 May 202114 May 2024

An ongoing project in northern Alaska is using pulses of laser light to monitor anthropogenic activity, ice quakes, and marine wildlife.

A small plastic disk levitates above an LED array in a vacuum chamber.
Posted inNews

Flying Saucers Could One Day Probe the Mesosphere

Damond Benningfield, Science Writer by Damond Benningfield 25 March 20212 September 2022

Researchers have created thin, levitating disks that could be used to study the mesosphere, a layer of Earth’s atmosphere that’s difficult to reach with conventional flyers.

Two plots showing percent changes in TIME-GCM zonally averaged [O+] and [H+] as a function of latitude and altitude in the Northern Hemisphere between the “disturbed” and “pre-disturbance” time periods in 2012–2013
Posted inEditors' Highlights

Stratospheric Weather Impacts Light Species at Great Heights

by Michael P. Hickey 14 December 202016 March 2023

Sudden stratospheric warmings in the high latitude wintertime can drive changes in light species (H, He and O) all the way though the thermosphere, likely influencing ion densities in the exosphere.

Processed image of the 1919 solar eclipse
Posted inResearch Spotlights

A Better Understanding of How the Sun Bends Light

Damond Benningfield, Science Writer by Damond Benningfield 3 December 202023 September 2022

Incorporating the refractive index of the Sun into models of gravitational lensing effects improves agreement with measurements of the phenomenon.

Posts pagination

Newer posts 1 2 3 4 5 6 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

On the Origins of Subantarctic Mode Waters

2 June 20252 June 2025
Editors' Highlights

Seasonal Iron Cycle and Production in the Subantarctic Southern Ocean

29 May 202529 May 2025
Editors' Vox

Keeping Soil Healthy: Why It Matters and How Science Can Help

29 May 202529 May 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