On July 16, Expedition 36 astronauts Chris Cassidy and Luca Parmitano had to cut a planned 7-hour spacewalk short after…
When it comes to Mars, the hot topic of study is water – a prerequisite for life. While liquid water…
The Moon might seem like a poor place to hunt for water, but in fact there's a decent amount of…
Not even two and a half weeks after a memory glitch that sent NASA's Curiosity rover into a safe mode…
A view of Mercury from MESSENGER's October 2008 flyby (NASA / JHUAPL / Gordan Ugarkovic) Every now and then a…
An image of water-filled debris ejected from Cabeus crater about 20 seconds after the 2009 LCROSS impact. Courtesy of Science/AAAS.…
Why is everyone so excited about these dusty Mars rocks? This week's big news was the announcement of evidence for…
HiRISE image of branching features in the floor of Antoniadi Crater thought to contain clay material. (NASA/JPL/University of Arizona) In…
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…
Water, water everywhere... Coleridge's shipbound ancient mariners were plagued by a lack of water while surrounded by a sea of…