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.
water
Posted inResearch Spotlights
Rover and Lasers Unlock Clues to Early Martian Atmosphere
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.
Posted inNews
What Ancient Rivers on Mars Reveal About Its “Great Drying”
Dried-up rivers on Mars suggest that the planet was wet in the not-too-distant past.
Posted inScience Updates
Project VoiLA: Volatile Recycling in the Lesser Antilles
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.
Posted inResearch Spotlights
Local Heat Source Needed to Form Liquid Water Lake on Mars
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.
Posted inResearch Spotlights
Scientists, Explorers Keen to Locate Water-Bearing Asteroids
Hydrated minerals on near-Earth asteroids offer both scientific revelations and economic incentives for companies looking to refuel satellites with material from nearby space.
Posted inScience Updates
Indigenous Symposium on Water Research, Education, and Engagement
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
Are there indications of extended aqueous processes beyond the period of widespread fluvial activity on Mars?
Posted inScience Updates
How Can We Find Out How Much Snow Is in the World?
In Colorado forests, NASA scientists and a multinational team of researchers test the limits of satellite remote sensing for measuring the water content of snow.
Posted inResearch Spotlights
Evidence of Extensive Ice Deposits Near Mercury’s South Pole
New radar observations and refined illumination maps reveal uneven water ice deposits twice the size of those found around the planet’s north pole, suggesting the source may be a recent comet impact.