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water

Pluto’s Elliot crater and Virgil Fossae
Posted inNews

Ammonia Ice Deposits on Pluto Hint at Recent Cryovolcanism

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 29 May 201923 January 2023

This discovery is the latest in a growing stack of evidence pointing to the presence of an ammonia-rich water ocean beneath Pluto’s icy crust.

A researcher inside the subglacial conduit under Hansbreen, Svalbard
Posted inResearch Spotlights

Mapping Subglacial Meltwater Channels

by E. Underwood 28 May 201923 January 2023

Researchers find that past studies underestimate the friction meltwater channels exert on glaciers by orders of magnitude.

Asteroid 25144 Itokawa
Posted inNews

First Analysis of Asteroid Water Reveals Earth-Like Makeup

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 1 May 20198 March 2022

Samples returned from the surface of an asteroid show that these small bodies may have more water than previously thought and could have delivered that water to Earth.

Laboratory experiment used to simulate the shock wave made by an asteroid impact on Mars
Posted inResearch Spotlights

Rover and Lasers Unlock Clues to Early Martian Atmosphere

Aaron Sidder, freelance science writer by Aaron Sidder 3 April 201924 April 2024

Sediments from the Curiosity rover and experiments using tanks of gas and laser beams helped reveal how water continued to flow on Mars after the planet lost its atmospheric carbon dioxide.

Jezero Crater River Delta on Mars
Posted inNews

What Ancient Rivers on Mars Reveal About Its “Great Drying”

Jenessa Duncombe, Staff Writer by Jenessa Duncombe 27 March 201923 February 2023

Dried-up rivers on Mars suggest that the planet was wet in the not-too-distant past.

Quill volcano Sint Eustatius Island
Posted inScience Updates

Project VoiLA: Volatile Recycling in the Lesser Antilles

by S. Goes, J. Collier, J. Blundy, J. Davidson, N. Harmon, T. Henstock, J. M. Kendall, C. Macpherson, A. Rietbrock, K. Rychert, J. Prytulak, J. van Hunen, J. J. Wilkinson and M. Wilson 14 March 201927 January 2023

Deep water cycle studies have largely focused on subduction of lithosphere formed at fast spreading ridges. However, oceanic plates are more likely to become hydrated as spreading rate decreases.

Perspective view of Mars’s south polar ice cap
Posted inResearch Spotlights

Local Heat Source Needed to Form Liquid Water Lake on Mars

by Terri Cook 12 March 201910 March 2022

Thermal modeling suggests that active magmatism in the past few hundred thousand years could account for the presence of a large lake previously hypothesized beneath the Red Planet’s southern ice cap.

A mosaic image of the asteroid Bennu
Posted inResearch Spotlights

Scientists, Explorers Keen to Locate Water-Bearing Asteroids

Aaron Sidder, freelance science writer by Aaron Sidder 11 March 201925 August 2022

Hydrated minerals on near-Earth asteroids offer both scientific revelations and economic incentives for companies looking to refuel satellites with material from nearby space.

A view of Séliš Ksanka QÍispé Dam
Posted inScience Updates

Indigenous Symposium on Water Research, Education, and Engagement

by K. Chief, R. E. Emanuel and O. Conroy-Ben 24 January 201924 February 2023

Water in the Native World: The Intersection of Hydrology and Indigenous Knowledge; Pablo, Montana, 1–4 August 2018

Posted inEditors' Highlights

Thermal Signature of Martian River Deposits Suggests Cementation

by B. Pirenne 24 January 201910 March 2023

Are there indications of extended aqueous processes beyond the period of widespread fluvial activity on Mars?

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