The Red Planet had water—in the form of a hydrothermal system—4.45 billion years ago, new analyses of a Martian meteorite suggest.
water
Posted inResearch Spotlights
New Insight into Inland Water Carbon Dioxide Emissions
A process-based modeling technique reveals surprising information about carbon emissions from rivers, lakes, and reservoirs across the contiguous United States.
Posted inENGAGE, News
Clipper Sets Sail for an Ocean Millions of Miles Away
Europa Clipper will assess whether Jupiter’s moon has the right ingredients to host life, and could illuminate the mysteries of icy worlds throughout the solar system.
Posted inNews
A Fuller Great Salt Lake Would Likely Narrow an Environmental Health Gap
Pacific Islander and Hispanic residents of Salt Lake City would benefit most from higher lake levels and reduced dust pollution.
Posted inNews
Heat Moves More Freely Through Warmer Sea Ice Than Scientists Thought
Flowing brines transport heat more effectively than old models showed, potentially changing climate simulations.
Posted inResearch Spotlights
High-Pressure Reactions Can Turn Nonporous Rocks into Sponges
Mathematical models describe how water moves through rocks in deep Earth.
Posted inNews
More Than Half of Contiguous U.S. River Water Comes from Ephemeral Streams
The finding has potential implications for water regulations, which don’t currently cover these seasonal streams.
Posted inFeatures
Thanh Huong “Helen” Nguyen: Chasing Down Pathogens
An environmental engineer addresses some of public health’s biggest problems.
Posted inResearch Spotlights
How Mantle Hydration Changes over the Lifetime of a Subduction Zone
Water released from subducting oceanic plates influences the formation of volcanoes and earthquakes on Earth’s surface. A new study simulates how slab dehydration and mantle hydration levels change over time.
Posted inNews
Researchers Find Bacterial Communities Deep Beneath the Atacama
Extremophile microbes exist in the gypsum-rich “fringes” of the driest place on Earth.