• About
  • Special Reports
  • Topics
    • Climate
    • Earth Science
    • Oceans
    • Space & Planets
    • Health & Ecosystems
    • Culture & Policy
    • Education & Careers
    • Opinions
  • Projects
    • Postcards From the Field
    • ENGAGE
    • Editors’ Highlights
    • Editors’ Vox
    • Eos en Español
    • Eos 简体中文版
    • Print Archive: 2015–2025
  • Policy Tracker
  • Blogs
    • Research & Developments
    • The Landslide Blog
  • Newsletter
  • Submit to Eos
  • AGU.org
  • Career Center
  • Join AGU
  • Give to AGU
  • About
  • Special Reports
  • Topics
    • Climate
    • Earth Science
    • Oceans
    • Space & Planets
    • Health & Ecosystems
    • Culture & Policy
    • Education & Careers
    • Opinions
  • Projects
    • Postcards From the Field
    • ENGAGE
    • Editors’ Highlights
    • Editors’ Vox
    • Eos en Español
    • Eos 简体中文版
    • Print Archive: 2015–2025
  • Policy Tracker
  • 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
  • Special Reports
  • Topics
    • Climate
    • Earth Science
    • Oceans
    • Space & Planets
    • Health & Ecosystems
    • Culture & Policy
    • Education & Careers
    • Opinions
  • Projects
    • Postcards From the Field
    • ENGAGE
    • Editors’ Highlights
    • Editors’ Vox
    • Eos en Español
    • Eos 简体中文版
    • Print Archive: 2015–2025
  • Policy Tracker
  • Blogs
    • Research & Developments
    • The Landslide Blog
  • Newsletter
  • Submit to Eos

unsolved mysteries

Posted inEditors' Vox

Even the Magnetosphere Has Problems

by Michael W. Liemohn 5 August 201619 January 2023

In a new conference and collection of papers, international space physicists narrow down the enigmas that puzzle magnetospheric science.

Posted inResearch Spotlights

Mysteries of the Magnetosphere

by W. Yan 14 July 201616 November 2021

Scientists investigate how dipolarization fronts in Earth's protective magnetosphere interact with the environment around them.

Posted inEditors' Vox

Chasing Down the Slow Solar Wind

by L. E. Kepko 20 June 201618 July 2023

The Sun's plasma blasts Earth’s magnetosphere at more than a million miles per hour. The fastest pours from holes in the corona, but until recently the source of the "slow" solar wind was a mystery.

Jicamarca-Radio-Observatory-array-Peru
Posted inResearch Spotlights

Mysterious "Necklace Echoes" in the Sky Explained

by Mark Zastrow 3 June 201622 March 2023

Scientists studying a 50–year–old mystery in the Earth's ionosphere have come up with their best explanation of it yet.

Artist's rendering of NASA's MAVEN spacecraft, which observes interactions between the solar wind and the upper atmosphere of Mars.
Posted inResearch Spotlights

Mysterious Heavy Ion Beams Above Mars Explained

by Mark Zastrow 20 May 20164 May 2022

NASA's latest mission to Mars has uncovered the origins of fast-moving streams of particles high above the planet, flowing against the solar wind.

Image of Hurricane Irene captured from aboard the International Space Station.
Posted inResearch Spotlights

What Causes Long-Term North Atlantic Surface Temperature Cycles?

Sarah Stanley, Science Writer by Sarah Stanley 25 April 201625 January 2023

New evidence strengthens a likely link between 20- to 40-year sea surface temperature fluctuations and varying ocean circulation patterns.

Posted inResearch Spotlights

Modeling the Effects of Clouds on Climate

by W. Yan 11 April 20166 July 2022

New research investigates how mixed-phase cloud partitioning and cloud cover compensate each other in GCMs.

researchers-cliff-face-measure-rock-movement-precedes-rockfall
Posted inNews

A Warm Day Can Trigger Rockfalls

Lucas Joel by L. Joel 5 April 20163 November 2022

Research on a cliff face in Yosemite National Park finds that when rockfalls happen without an obvious cause, ordinary warming in the Sun could be the culprit.

Dipolarization fronts (DFs), bursty bulk flows (BBFs), flux transfer events (FTEs), and Kelvin-Helmholtz instability (KHI) in a high-resolution simulation of an idealized substorm.
Posted inScience Updates

Great Mysteries of the Earth's Magnetotail

by M. I. Sitnov, V. G. Merkin and J. Raeder 21 March 201618 July 2023

Workshop on Magnetotail Reconnection Onset and Dipolarization Fronts; Laurel, Maryland, 16–18 September 2015

Sea ice near West Greenland in summer 2014.
Posted inScience Updates

How Will Sea Ice Loss Affect the Greenland Ice Sheet?

by F. S. R. Pausata, A. N. LeGrande and W. H. G. Roberts 14 March 20166 March 2023

On the Puzzling Features of Greenland Ice-Core Isotopic Composition; Copenhagen, Denmark, 26–28 October 2015

Posts pagination

Newer posts 1 … 26 27 28 29 30 31 Older posts
Over a dark blue-green square appear the words Special Report: The State of the Science 1 Year On.

Features from AGU Publications

Research Spotlights

Improving Eddy Tower Evapotranspiration Estimates

20 May 202620 May 2026
Editors' Highlights

Recycled Rocks Reveal Subduction Zone Dynamics Off Baja California

21 May 202621 May 2026
Editors' Vox

The Impact of Advocacy: American Geophysical Union’s Days of Action

14 May 202613 May 2026
Eos logo at left; AGU logo at right

About Eos
ENGAGE
Awards
Contact

Advertise
Submit
Career Center
Sitemap

© 2026 American Geophysical Union. All rights reserved Powered by Newspack