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Space & Planets

An artist’s depiction shows a cross section of a lava tube on Venus, with a ray of radar light shining into it from above. Earth is visible in the far distance.
Posted inNews

New Evidence Points to Venusian Lava Tubes, and They’re Really Big

by Emily Gardner 6 March 20266 March 2026

Researchers bring new life to 30-year-old Magellan data to unearth the first direct evidence of the long-hypothesized structures.

Digital painting of a glowing red-hot planet close to a yellow star
Posted inNews

Rare Hot Jupiters Could Reveal How All Giant Planets Form

by Matthew R. Francis 26 February 20261 April 2026

A new analysis shows that the way massive planets migrate after their formation helps determine whether they have companion planets. The process hints at planetary formation in general.

An artist’s concept of exoplanet candidate HD 137010 b, a pale blue and orange planet against a backdrop of stars.
Posted inNews

This Potential Exoplanet Is Earth Sized but May Be Colder Than Mars

by Pranjal Malewar 19 February 20261 April 2026

A new analysis of old mission data may have revealed a possible Earth-sized planet orbiting the K-dwarf star HD 137010.

Roughly a quarter of a crater rim with blue-white streaks pointed inward.
Posted inNews

Oozing Gas Could Be Making Stripes in Mercury’s Craters

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 12 February 202612 February 2026

Scientists are using new computational tools to analyze troves of old spacecraft data to better understand one of Mercury’s unsolved mysteries.

Photo of the surface of Mars.
Posted inEditors' Vox

A Double-Edged Sword: The Global Oxychlorine Cycle on Mars

by Kaushik Mitra 10 February 202610 February 2026

Global detections of oxychlorine salts reveal a complex, 4-billion-year chemical cycle on Mars. They can act as de-icing agents, oxidants, a hazard and a vital resource for future human exploration.

NASA astronaut Kayla Barron holds a filter used to recycle wastewater.
Posted inResearch Spotlights

A Road Map to Truly Sustainable Water Systems in Space

by Nathaniel Scharping 9 February 202621 April 2026

Future astronauts need efficient, durable, and trustworthy closed-loop systems to provide water for missions lasting months to years.

Illustration from the article.
Posted inEditors' Highlights

From Measurements to Solar Wind Model Initial Conditions

by Tanja Amerstorfer 6 February 20266 February 2026

A new method shows how solar wind measurements at Earth can be used to define initial conditions for solar wind models to reduce their need for solar magnetic maps and decrease their uncertainty. 

Composite image of the farside of the Moon, a gray surface heavily marked with craters.
Posted inNews

Primordial Impact May Explain Why the Moon Is Asymmetrical

by Matthew R. Francis 6 February 20266 February 2026

Analysis of surface samples from the Chang’e-6 mission suggests that an asteroid may have vaporized parts of the lunar mantle, suppressing volcanic activity on the farside of the Moon.

Scientists wearing bright yellow safety vests stand in various places amid an expanse of dark volcanic rock with barren hills in the background.
Posted inFeatures

Discovering Venus on Iceland

by Debra L. Buczkowski, Jennifer L. Whitten, Scott Hensley, Daniel C. Nunes and Marc Jaeger 23 January 20261 June 2026

Scientists trekked across Icelandic lava flows that served as stand-ins for Venus’s volcanic landscapes, testing tools and methods the upcoming VERITAS mission will use when it reaches the planet.

Figure from the study.
Posted inEditors' Highlights

ALMA’s New View of the Solar System

by Xi Zhang 16 January 20261 April 2026

High-resolution radio observations link the chemistry of local moons and comets to the birth environments of distant exoplanets.

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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

Extensive Sand Dune Loss Threatens California Coast

26 June 202625 June 2026
Editors' Highlights

Seeing Earth’s Most Common Minerals from Space

29 June 202629 June 2026
Editors' Vox

Small-Scale Indian Ocean Dynamics Underpin Marine Ecology and Climate

4 June 20263 June 2026
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