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life as we know it

Posted inOpinions

Climate Change Indicators Are Not Enough

by A. K. Betts 14 July 201724 February 2023

Extreme events capture the public’s attention, but gradual climate shifts will more profoundly affect civilization and life on Earth. Scientists must get better at conveying this to the public.

A researcher looks over the Greenland ice cap, a “frozen ocean.”
Posted inNews

New Instrument May Aid Search for Extraterrestrial Life

by JoAnna Wendel 10 May 201729 September 2021

For 2 weeks on the Greenland ice cap, scientists tested an instrument that might help us find life on icy moons with oceans beneath their crusts.

Plumes
Posted inNews

Hydrogen Molecules Hint at Habitability of Enceladus's Ocean

by JoAnna Wendel 13 April 201711 January 2022

Scientists suggest that the hydrogen could be evidence of hydrothermal activity on the ocean floor of Saturn's sixth largest moon.

A section of the rim of Ernutet crater, captured by NASA’s Dawn Spacecraft on 26 January.
Posted inNews

Scientists Spot Organic Molecules on Ceres

by JoAnna Wendel 16 February 201729 September 2021

The presence of organic material on Ceres raises new questions about its internal evolution and potential for hosting past or present life.

Europa lander
Posted inNews

New Report Details How NASA Could Land on Europa

by JoAnna Wendel 15 February 201717 January 2023

A team of scientists laid out extensive details about a hypothetical future landing mission to find life on Jupiter's moon.

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

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.

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?

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.

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Features from AGU Journals

RESEARCH SPOTLIGHTS
Earth’s Future
“How to Build a Climate-Resilient Water Supply”
By Rachel Fritts

EDITORS' HIGHLIGHTS
AGU Advances
“How Do Atmospheric Rivers Respond to Extratropical Variability?”
By Sarah Kang

EDITORS' VOX
Reviews of Geophysics
“Rare and Revealing: Radiocarbon in Service of Paleoceanography”
By Luke C. Skinner and Edouard Bard

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