• 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

the Sun

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.

Illustration of the Wind spacecraft in front of the magnetosphere that surrounds Earth.
Posted inEditors' Vox

Wind: Discoveries and Impacts of a Venerable Spacecraft

by L.B. Wilson III 18 May 202110 March 2023

Wind has been one of the most robust, diverse, long-lasting, and impactful heliophysics missions ever to have been carried out.

A picture of the Space Physics and Aeronomy five volume collection
Posted inEditors' Vox

New Book Collection Presents Latest in Heliophysics Research

by Y. Zhang and L. Paxton 12 May 202118 November 2021

A new set of five books presents the latest science on the Sun and the solar wind, magnetospheres in the solar system, Earth’s ionosphere, Earth’s upper atmosphere, and the effects of space weather.

Artist’s view of the SMOS satellite in orbit
Posted inEditors' Highlights

Observing the Sun via Soil Moisture Measurements

by Michael A. Hapgood 31 March 202113 October 2021

Solar radio bursts are background noise for satellite-based radio observations that monitor soil moisture, so, with appropriate processing, those observations can provide data on radio bursts.

Illustration showing the Heliosphere and its surroundings
Posted inEditors' Highlights

The Cosmic Timeline of Heliophysics

by W. K. Peterson 23 December 202029 September 2021

Thom Moore began his career after the start of the space age. This is the story of how he converted his interests in evolution, philosophy, and psychology and writing into the study of heliophysics.

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.

Black and white photograph of a full solar eclipse
Posted inResearch Spotlights

Altitude Matters for Solar Eclipse Observations

by Morgan Rehnberg 23 July 202022 February 2023

The path of a solar eclipse through Earth’s ionosphere, which can be quite different than it is at ground level, appears to explain patterns of ionized particle depletions.

Satellite image of the Sun in X-rays and ultraviolet light
Posted inNews

Ghostly Particles from the Sun Confirm Nuclear Fusion

Katherine Kornei, Science Writer by Katherine Kornei 14 July 202012 October 2022

Using the Borexino particle detector—located deep underground in Italy—researchers spot elusive neutrinos from the Sun’s CNO cycle.

An active sun in June 2013
Posted inResearch Spotlights

How Accurate Are Our Measurements of the Sun’s Energy?

Elizabeth Thompson by Elizabeth Thompson 13 April 20206 December 2022

As instruments collecting solar data degrade, researchers must correct for errors. A new study compares several methods to correct solar spectral irradiance measurements.

Graph showing an example of very-low frequency signal phase response to solar X-ray emissions over a 24-hour period
Posted inEditors' Highlights

Using Earth’s Atmosphere as a Solar Flare Monitor

by Michael A. Hapgood 28 January 202027 January 2022

Measurements of very-low frequency radio signal phase and amplitude can detect upper atmosphere changes caused by solar flares, enabling us to monitor flare occurrence and intensity.

Posts pagination

Newer posts 1 2 3 4 5 6 … 8 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

Scientists Reveal Hidden Heat and Flood Hazards Across Texas

16 May 202516 May 2025
Editors' Highlights

Revised Emissions Show Higher Cooling in 10th Century Eruption

16 May 202515 May 2025
Editors' Vox

Decoding Crop Evapotranspiration

6 May 20256 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