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astrophysics

Illustration of a spacecraft in space.
Posted inEditors' Highlights

Heating Mechanism at Earth’s Bow Shock Depends on Shock Speed

by Marit Oieroset 24 February 202524 February 2025

A new technique shows that the dominance of gradual versus chaotic electron heating processes at Earth’s bow shock is controlled by how fast the shock is moving.

The grayscale surface of an asteroid with many boulders
Posted inNews

Magnetic Meteorites May Explain How the Solar System Assembled

by Jenna Ahart 12 December 202412 December 2024

Faint magnetic properties in primitive asteroid fragments suggest an early magnetic field strong enough to shepherd the growth of the outer planets.

An illustration depicts a meteorite impacting Earth, causing a large explosion.
Posted inNews

Planetary Perturbations May Strengthen Gaia

by Grace van Deelen 27 November 202416 January 2025

Large-scale disruptions to life may ultimately increase ecological complexity over geologic timescales, though the risk of extinction always looms.

Three panels show a round star with bright dots that change configuration.
Posted inNews

ALMA Watches the Surface of a Star “Boil”

Damond Benningfield, Science Writer by Damond Benningfield 10 October 202410 October 2024

Observations of R Doradus, a nearby red giant, provide the first timescale for convection on the surface of any star other than the Sun.

A 360° image of the night sky with a dark green hue
Posted inNews

Scientists Captured the First Glimpse of a Rare Polar Aurora

Javier Barbuzano, Science Writer by Javier Barbuzano 8 August 20248 August 2024

After a decade-long search, scientists captured a type of elusive aurora on camera.

Colored lines in a spiral pattern overlay a plain white sphere.
Posted inNews

Spiral Waves May Explain the Sun’s Baffling Rotation

by Matthew R. Francis 29 May 202429 May 2024

New observations and models show a connection between high-latitude waves in the Sun’s interior and the different rates of spin between the solar equator and poles.

A helicity in front of ocean water.
Posted inEditors' Vox

The Twists and Turns of Helicity Studies

by Kirill Kuzanyan, Nobumitsu Yokoi, Manolis K. Georgoulis and Rodion Stepanov 15 February 202414 February 2024

A new book explores the fundamental role that helicities play in different astrophysical and geophysical phenomena and presents perspectives from various scientific disciplines that study them.

A bright point of light surrounded by rings, rendered in red
Posted inNews

Did a Cosmic Explosion Make the Ionosphere Dance?

by Matthew R. Francis 8 January 20248 January 2024

Researchers have linked a 2022 gamma ray burst to a disturbance in the upper atmosphere, but proving the connection highlights the problems with this kind of measurement.

A person wearing a fitted blue and white striped shirt with blue and red stripes on the sleeves is leaning on a log while looking at the camera.
Posted inFeatures

Ed Hawkins: Communicating a Changing Climate

by Meghie Rodrigues 25 July 202325 July 2023

The British scientist is the creator of climate stripes, the now-ubiquitous visual representation of climate change.

Erin Macdonald makes a Vulcan salute (a hand sign of greeting from Star Trek) at a bar while wearing a Star Trek badge.
Posted inFeatures

Erin Macdonald: Putting the Science in Science Fiction

by Elise Cutts 25 July 202315 November 2023

The “Julia Child of science” makes science accessible through pop culture.

Posts pagination

1 2 3 4 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

Storm Prediction Gets 10 Times Faster Thanks to AI

20 May 202520 May 2025
Editors' Highlights

Inferring River Discharge from Google Earth Images

20 May 202515 May 2025
Editors' Vox

Decoding Crop Evapotranspiration

6 May 20256 May 2025
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