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life as we know it

Artist’s conception of WATSON instrument surrounded by life-related molecules
Posted inNews

An Ice Probe on Earth Could Help Us Find Life in Space

JoAnna Wendel, freelance science writer and illustrator by JoAnna Wendel 10 December 202031 March 2022

An instrument called WATSON can help find biosignatures on icy ocean worlds.

Satellite image of Earth, as filmed by Apollo 8 astronauts from the surface of the Moon
Posted inNews

Exoplanet Earth: An Ultimate Selfie to Find Habitable Worlds

by J. Romero 30 November 202016 June 2022

Aliens spying on us from afar is a common science fiction trope. Soon we might know what E.T. would see through a telescope. And that information could help identify other Earth-like planets.

Venus's clouds as seen by Mariner 10 in 1974
Posted inNews

¿Podría la Vida Estar Flotando en las Nubes de Venus?

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 14 October 20208 September 2022

Si están presentes, los microbios podrían explicar patrones de evolución en la atmósfera planetaria de Venus, al observarse con luz ultravioleta.

Closeup of a bank, showing layers of vegetation, plant roots, and soil
Posted inScience Updates

Life Teems Below the Surface

by J. Chorover, E. Aronson, J. McIntosh and E. Roden 24 September 202022 November 2021

Scientists are resolving how plants, microbes, and lithology sculpt the structure of the critical zone.

Perspective looking upward from the base of a large tree
Posted inFeatures

Critical Zone Science Comes of Age

by P. Waldron 24 September 202022 March 2022

The developing field, which unites Earth scientists to examine the planet’s surface as a single, unified entity, is unraveling the complex, interconnected processes that support life on Earth.

Selfie taken by the Curiosity rover at the top of Vera Rubin ridge
Posted inEditors' Vox

Curiosity Solves the Mystery of Gale Crater’s Hematite Ridge

by A. Deanne Rogers, Mariek E. Schmidt and A. Fraeman 31 July 202024 April 2024

A new special issue of JGR: Planets details the water-rich history of a distinctive geomorphic feature on Mars dubbed Vera Rubin ridge, as investigated by the Curiosity rover.

Scientists take spectrometric readings at a rock outcrop in Western Australia
Posted inFeatures

Mars 2020 Team Using Australian Rocks in Search for Life on Mars

by A. J. Brown, C. E. Viviano and T. A. Goudge 2 July 202022 September 2022

Scientists are investigating evidence of ancient terrestrial microbes preserved in Australia as well as mineral maps derived from Mars orbiter data to shed light on how to search for life on Mars.

Drill rig in water
Posted inNews

Chicxulub Impact Crater Hosted a Long-Lived Hydrothermal System

Katherine Kornei, Science Writer by Katherine Kornei 30 June 20207 March 2022

Chemical and mineralogical evidence of fluid flow—potentially conducive to microscopic life—was revealed in rock cores extracted from the crater’s “peak ring.”

Diagram of Venus’s possible climate history
Posted inResearch Spotlights

How Long Was Venus Habitable?

Kate Wheeling, freelance science writer by Kate Wheeling 8 May 202010 November 2021

Climate simulations of Venus’s history could provide insights into the habitability of Earth and of exoplanets.

Figure showing whether assemblages containing quartz, talc, and carbonate can be produced from an oxidized hydrous rocky core under plausible conditions for Enceladus.
Posted inEditors' Highlights

The Freshest Mineral Water in the Solar System

by A. Dombard 24 March 202022 December 2021

The water-rich plumes erupting from Saturn’s moon Enceladus show the chemical signs of water-rock interactions deep within the moon, further implicating Enceladus as a potential habitat for life.

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A view of a bridge, with the New Orleans skyline visible in the distance between the bridge and the water. A purple tint, a teal curved line representing a river, and the text “#AGU25 coverage from Eos” overlie the photo.

Features from AGU Publications

Research Spotlights

Denitrification Looks Different in Rivers Versus Streams

16 January 202616 January 2026
Editors' Highlights

How Satellite Data Helped Avoid Hunger from Drought

20 January 202620 January 2026
Editors' Vox

Bridging the Gap: Transforming Reliable Climate Data into Climate Policy

16 January 202616 January 2026
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