• About
  • Special Reports
  • Topics
    • Climate
    • Earth Science
    • Oceans
    • Space & Planets
    • Health & Ecosystems
    • Culture & Policy
    • Education & Careers
    • Opinions
  • Projects
    • ENGAGE
    • Third Pod from the Sun
    • Eos en Español
    • Eos 简体中文版
    • Print Archive
  • Newsletter
  • Submit to Eos
  • AGU.org
  • AGU Publications
    • AGU Journals
    • Editors’ Highlights
    • Editors’ Vox
  • Career Center
  • AGU Blogs
  • Join AGU
  • Give to AGU
  • About
  • Special Reports
  • Topics
    • Climate
    • Earth Science
    • Oceans
    • Space & Planets
    • Health & Ecosystems
    • Culture & Policy
    • Education & Careers
    • Opinions
  • Projects
    • ENGAGE
    • Third Pod from the Sun
    • Eos en Español
    • Eos 简体中文版
    • Print Archive
  • Newsletter
  • Submit to Eos
Skip to content
  • AGU.org
  • AGU Publications
    • AGU Journals
    • Editors’ Highlights
    • Editors’ Vox
  • Career Center
  • AGU Blogs
  • Join AGU
  • Give to AGU
Eos

Eos

Science News by AGU

Sign Up for Newsletter
  • About
  • Special Reports
  • Topics
    • Climate
    • Earth Science
    • Oceans
    • Space & Planets
    • Health & Ecosystems
    • Culture & Policy
    • Education & Careers
    • Opinions
  • Projects
    • ENGAGE
    • Third Pod from the Sun
    • Eos en Español
    • Eos 简体中文版
    • Print Archive
  • Newsletter
  • Submit to Eos

solar system

This illustration depicts a planet with blue clouds with several lightning storms. The Sun is faint in the distance. The band of the Milky Way and small pinpoints of stars fill the background.
Posted inNews

A Mission to Uranus Could Help Find Planet 9

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 22 May 202322 May 2023

Narrowing down the search is essential for gaining time on a high-powered telescope that could spot the hypothesized planet directly.

A circular cloud of black and blue dust shadows a small white star.
Posted inNews

Molten Meteorites Didn’t Deliver Earth’s Water

by Caroline Hasler 25 April 202325 April 2023

A new study has ruled out large, once-molten meteorites called achondrites as sources of Earth’s water.

An artist’s illustration of a brownish orb in front of a background of white stars. A ring made up of small gray pieces of debris surrounds the orb. To the left of the planet is a smaller brownish orb. To the right is a bright star.
Posted inNews

Quaoar’s Ring Defies Gravity

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 3 March 202324 May 2023

The dwarf planet’s ring makes astronomers question whether a long-held theory about ring and moon formation needs tweaking.

An artist’s rendering of three hazy rings surrounding the Sun near the orbits of Mercury, Venus, and Earth
Posted inNews

Mercury Isn’t Alone in Orbit, and Scientists Don’t Know Why

by Jure Japelj 27 February 202324 May 2023

A cloud of dust traces the innermost planet’s orbital path. By all accounts, it shouldn’t be there.

Two spacecraft are visible between two large, gray asteroids, with stars in the background.
Posted inNews

NASA’s Double Asteroid Redirection Test Is a Smashing Success

Katherine Kornei, Science Writer by Katherine Kornei 12 January 202312 January 2023

The mission, focused on the Didymos-Dimorphos binary asteroid system, proved that an asteroid’s orbit can be altered by kinetic impactor technology.

Illustration of NASA’s Cassini spacecraft diving through the plume of Saturn’s moon Enceladus in 2015
Posted inFeatures

Marine Science Goes to Space

Damond Benningfield, Science Writer by Damond Benningfield 4 January 202311 April 2023

Space and ocean scientists take a splash course in multidisciplinary science to chart our solar system’s ocean worlds.

Swirling cloud bands in Jupiter’s northern hemisphere
Posted inNews

Could Jupiter’s Heat Waves Help Solve a Planetary Energy Crisis?

Tim Hornyak, Science Writer by Tim Hornyak 9 November 202217 February 2023

Infrared observations reveal that Jupiter’s upper atmosphere is much warmer than models predict. The discovery may be a clue to finding missing heat sources in other giant planets.

Two-image animation of a location on Mercury’s surface showing a small impact event
Posted inResearch Spotlights

MESSENGER Reveals a More Dynamic Mercury Surface

by Morgan Rehnberg 28 September 202225 January 2023

Image pairs indicate that 99% of the planet’s surface could be altered in the next 25 million years.

Gloved hands hold a dark chunk of rock, a part of the Aguas Zarcas meteorite.
Posted inNews

Tiny “Pancakes” Suggest Some Asteroids May Stay Active

Damond Benningfield, Science Writer by Damond Benningfield 22 September 202222 September 2022

Analysis of a meteorite that fell in Costa Rica shows that its parent body may resemble the asteroid Bennu.

We are in the middle of solar cycle 25, which means that the Sun has been slowly ramping up its sunspot and flare activity for the past few years.
Posted inFeatures

11 Discoveries Awaiting Us at Solar Max

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 25 August 202230 September 2022

Each solar cycle might seem like the same old story, but one thing has changed significantly since the previous solar maximum–our technology.

Posts navigation

1 2 3 … 8 Older posts

Features from AGU Journals

RESEARCH SPOTLIGHTS
Geophysical Research Letters
“Neural Networks Map the Ebb and Flow of Tiny Ponds”
By Sarah Derouin

EDITORS' HIGHLIGHTS
Community Science
“Collaboration Helps Overcome Challenges in Air Quality Monitoring”
By Muki Haklay

EDITORS' VOX
Reviews of Geophysics
“What We Know and Don’t Know About Climate Tipping Elements”
By Seaver Wang

Eos logo at left; AGU logo at right

About Eos
ENGAGE
Awards
Contact

Advertise
Submit
Career Center
Sitemap

© 2023 American Geophysical Union. All rights reserved. Proudly powered by Newspack by Automattic