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James Webb Space Telescope

An artist’s depiction shows a planet forming on the outer edges of a solar system.
Posted inNews

This Exoplanet May Have Grown Stranger as It Journeyed Starward

by Jonathan O’Callaghan 15 July 202515 July 2025

WASP-121b, an already unusual planet, might have a remote origin that explains some of its peculiar properties—from iron rain to the unexpected presence of methane.

An illustration of a space telescope in front of a purple galaxy
Posted inResearch & Developments

NASA Science Faces an “Extinction-Level Event” with Trump Draft Budget Proposal

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 11 April 20255 May 2025

The initial draft of President Donald Trump’s budget request proposes devastating cuts to NASA’s science research, future space missions, and field centers.

A two-panel horizontal image. On the left is Neptune observed by the Hubble Space Telescope. It is a blue circle, tilted about 25° to the left. There are white smudges at 7 o’clock and just above 5 o’clock. At right is an opposing view of the planet, using data from Hubble and JWST. It is a multihued blue orb. There are white smudges in the same spots as the image on the left but also at the center of the planet and at the top. There are cyan smudges vertically along the right side, and the top of these areas is more translucent than the bottom.
Posted inNews

After 30-Year Search, Scientists Finally Find an Aurora on Neptune

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 10 April 202510 April 2025

The planet’s elusive aurorae are much colder than expected, which is how they evaded detection for so long.

Artist’s illustration of a star with a small dark dot and a cone of translucent dust in front of it
Posted inNews

Scientists Finally Get a Good Look at a Disintegrating Exoplanet

Javier Barbuzano, Science Writer by Javier Barbuzano 28 January 202528 January 2025

The James Webb Space Telescope offers astronomers a rare glimpse into the chemical composition of a rocky planet’s interior—and the results are “very surprising.”

A telescope pointed up to the right in an observatory
Posted inNews

Telescopes Catch the Aftermath of an Energetic Planetary Collision

by Marta Hill 20 December 202420 December 2024

A planetary collision 1,800 light-years away birthed a body that has cooled in unexpected ways.

Side-by-side images of irregularly shaped gray/brown rocks in space.
Posted inNews

Pluto’s Small Moons Are Unlike Any Other

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 10 December 202410 December 2024

The strange blend of surface chemistry on Nix and Hydra raises big question about the evolution of the Pluto system.

A blue planet appears next to a yellow star against a black background.
Posted inNews

Smells Like an Exoplanet

Katherine Kornei, Science Writer by Katherine Kornei 1 August 20245 August 2024

Hydrogen sulfide, spotted in the atmosphere of the exoplanet HD 189733 b, helps constrain how the planet formed.

A lava world orbiting close to a yellow star
Posted inNews

A Magma Ocean Fuels This Exoplanet’s Atmosphere

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 30 May 202430 May 2024

The finding is an atmospheric first for astronomers but not for the planet.

Representación de Eris
Posted inNews

Los planetas enanos muestran evidencias de reciente actividad geológica

Damond Benningfield, Science Writer by Damond Benningfield 2 May 20242 May 2024

Los grandes cuerpos del Cinturón de Kuiper y más allá podrían haber albergardo océanos en la subsuperficiales.

A dark orb with a bright crescent, a smaller orb in the distance, and a faint star in one corner depict Eris, its moon, and the Sun
Posted inNews

Dwarf Planets Show Evidence of Recent Geologic Activity

Damond Benningfield, Science Writer by Damond Benningfield 27 March 20242 May 2024

Large bodies in the Kuiper Belt and beyond could have hosted subsurface oceans.

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Features from AGU Publications

Research Spotlights

How Earthquakes Shake Up Microbial Lake Communities

24 July 202524 July 2025
Editors' Highlights

Mapping the Whereabouts of Continents

24 July 202523 July 2025
Editors' Vox

JGR: Space Physics Launches New Instrumentation Article Type

23 July 202521 July 2025
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