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.
water
Posted inNews
History of Mars’s Water, Seen Through the Lens of Gale Crater
Research uncovers more of Mars’s past, when flowing water may have been transient before eventually disappearing.
Posted inNews
Diamond Impurities Reveal Water Deep Within the Mantle
A high-pressure form of ice, trapped within diamonds forged in the lower mantle, suggests that aqueous fluids reside deeper in Earth than we knew.
Posted inResearch Spotlights
History of Water on Mars’s Surface Is Longer Than We Thought
Curiosity’s two-step heating experiment of mudstone at Gale crater reveals minerals that formed in the presence of water less than 3 billion years ago.
Posted inEditors' Highlights
Where Did the Water Go on Mars?
Primordial solar storm conditions are believed to have significantly enhanced the loss of water and other atmospheric volatiles in Mars’ history.
Posted inScience Updates
New Online Tool Teaches Students About the Energy-Water Nexus
Students use real data sets to explore how population changes, power generation, and water-saving strategies affect surface and groundwater use.
Posted inResearch Spotlights
Follow Earthworm Tracks to Better Simulate Water Flow in Soils
Incorporating paths carved by the critters and by tree roots helps scientists align simulations of tropical soils more closely with real-world data.
Posted inResearch Spotlights
Can Water Vapor Help Forecast When a Volcano Will Blow?
A widely used technique to monitor sulfur dioxide was tweaked to focus on water vapor at Peru’s Sabancaya Volcano. Results show that the volcano steamed up prior to its 2016 eruption.
Posted inResearch Spotlights
Mars’s Climate May Have Been Wet Much Later Than Thought
Water-carved valleys may be relatively young, challenging assumptions about the history of the Red Planet's climate.
Posted inNews
A Flip-Flopping Climate Could Explain Mars's Watery Past
A new hypothesis might reconcile two opposing theories that have tried to explain Mars's mysterious history for more than 40 years.