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astrophysics

A man wearing sunglasses, a polo, and a backpack smiles while standing on a bike trail by the water.
Posted inFeatures

Alex Teachey: Elevating Astronomy with the Arts

by J. Besl 28 July 202529 July 2025

This actor-turned-astronomer found success researching exomoons. Now he’s ready for another career change.

Many stars and galaxies including two spiral galaxies and three merging galaxies.
Posted inResearch & Developments

Rubin Observatory Stuns and Awes With Sprawling First Look Images

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 23 June 202523 June 2025

Wow. Just wow.

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.

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Features from AGU Publications

Research Spotlights

Machine Learning Simulates 1,000 Years of Climate

27 August 202527 August 2025
Editors' Highlights

As Simple as Possible: The Importance of Idealized Climate Models

28 August 202526 August 2025
Editors' Vox

Waterworks on Tree Stems: The Wonders of Stemflow

21 August 202520 August 2025
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