water
The Latest from Mars: Dried up Riverbed May Have Flowed into an Ancient Ocean
When it comes to Mars, the hot topic of study is water – a prerequisite for life. While liquid water…
LRO Makes a Map of the Moon’s Water
The Moon might seem like a poor place to hunt for water, but in fact there's a decent amount of…
Curiosity Once Again in Safe Mode – If Only Briefly
Not even two and a half weeks after a memory glitch that sent NASA's Curiosity rover into a safe mode…
A Hi-Res Mosaic of Mercury’s Crescent
A view of Mercury from MESSENGER's October 2008 flyby (NASA / JHUAPL / Gordan Ugarkovic) Every now and then a…
The Moon’s Water Comes From the Sun
An image of water-filled debris ejected from Cabeus crater about 20 seconds after the 2009 LCROSS impact. Courtesy of Science/AAAS.…
A River Ran Through It: Why Do They Think There Was Once Water on Mars?
Why is everyone so excited about these dusty Mars rocks? This week's big news was the announcement of evidence for…
Clay Deposits Don’t Prove Existence of Ancient Martian Lakes
HiRISE image of branching features in the floor of Antoniadi Crater thought to contain clay material. (NASA/JPL/University of Arizona) In…
Is Triton Hiding an Underground Ocean?
Voyager 2 mosaic of Neptune's largest moon, Triton (NASA) At 1,680 miles (2,700 km) across, the frigid and wrinkled Triton is Neptune’s…
Why Doesn’t Earth Have More Water?
Water, water everywhere... Coleridge's shipbound ancient mariners were plagued by a lack of water while surrounded by a sea of…
Water Balloons in Space
As part of his ongoing (and always entertaining) "Science Off the Sphere" series, Expedition 31 flight engineer Don Pettit experiments…