Phoenix Mars Lander finds surprises about red planet's watery past
Thursday, September 9, 2010 - 14:35
in Astronomy & Space
Liquid water has interacted with the Martian surface throughout Mars' history, measurements by NASA's Phoenix Mars Lander suggest. The findings also suggest that liquid water has primarily existed at temperatures near freezing, implying hydrothermal systems similar to Yellowstone's hot springs on Earth have been rare on Mars throughout its history.