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life as we know it

Artist’s conception of the instrument mast for NASA's Mars 2020 rover.
Posted inScience Updates

Seeking Signs of Life and More: NASA’s Mars 2020 Mission

by K. A. Farley and K. H. Williford 11 January 201725 August 2022

The next Mars rover will be able to land near rugged terrain, giving scientists access to diverse landscapes. It will also cache core samples, a first step in the quest to return samples to Earth.

Posted inEditors' Vox

To Bennu and Back

by J. Filiberto 21 October 201624 October 2022

Justin Filiberto shares his experience as a guest at the OSIRIS-REx launch; a mission to obtain samples from the asteroid Bennu in hopes of learning more about the origin of water on Earth.

ESA-Exomars-orbiter
Posted inNews

European-Russian Mission Reaches Mars: Lander’s Fate Yet Unknown

JoAnna Wendel, freelance science writer and illustrator by JoAnna Wendel 20 October 201628 February 2022

Although the mission’s lander might not have survived, the new Trace Gas Orbiter spacecraft will explore clues that may indicate extraterrestrial life.

Artist’s rendition of an exoplanet and its star.
Posted inNews

Closest Ever Terrestrial Exoplanet Found, Habitability Debated

JoAnna Wendel, freelance science writer and illustrator by JoAnna Wendel 24 August 201625 April 2023

Researchers are excited about a new, potentially habitable exoplanet orbiting our closest stellar neighbor, Proxima Centauri.

Electric winds remove the components of water from Venus's upper atmosphere.
Posted inResearch Spotlights

Venus's Unexpected, Electrifying Water Loss

by Mark Zastrow 20 July 20164 May 2022

New research shows that an electric field surrounding Venus is stripping its atmosphere of water—and the same phenomenon may plague exoplanets scientists hope might be habitable.

Solar flares took place much more frequently 4 billion years ago than today, bombarding Earth with energetic protons and radiation.
Posted inNews

Did Solar Flares Cook Up Life on Earth?

JoAnna Wendel, freelance science writer and illustrator by JoAnna Wendel 23 May 201612 October 2022

Scientists have found that "super" solar flares could have warmed the ancient planet and jump-started life.

The solar system’s new habitable zone after our Sun becomes a red giant.
Posted inNews

Aging Stars Make New Habitable Zones

JoAnna Wendel, freelance science writer and illustrator by JoAnna Wendel 16 May 201629 September 2021

Scientists searching for life in the universe now have a new target: the once-icy worlds orbiting red giants.

Unnamed crater in eastern Hesperia Planum, Mars.
Posted inResearch Spotlights

Martian Carbonates Spotted by the Orbiter

Kate Wheeling, freelance science writer by Kate Wheeling 3 May 201628 July 2022

The minerals identified by the Mars Reconnaissance Orbiter provide more evidence that the planet may have once been habitable.

This relatively recent impact crater photographed last year spans a little more than a kilometer in the Sirenum Fossae region of Mars.
Posted inNews

Impacts Might Have Made Ancient Mars Briefly Hospitable to Life

Shannon Hall by S. Hall 28 April 201628 January 2022

A bombardment of the Red Planet 4 billion years ago could have created hot springs that allowed life to flourish.

Posted inScience Updates

Planetary Caves' Role in Astronaut Bases and the Search for Life

by J. J. Wynne, Timothy Titus and P. J. Boston 8 March 201631 March 2022

2nd International Planetary Caves Conference; Flagstaff, Arizona, 20–23 October 2015

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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

Glaciers May Flow into the Ocean More Quickly Than We Think

14 April 202614 April 2026
Editors' Highlights

Machine Learning Can Improve the Use of Atmospheric Observations in the Tropics 

14 April 20267 April 2026
Editors' Vox

Synergistic Integration of Flood Inundation Modeling Methods

10 April 202610 April 2026
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