Water Quickly Evaporates on Mars
December 11, 2020
Scientists overestimate how much water could exist on Mars. New studies show it can't last even a day.
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Here Come the Martians Again
March 1, 2014
The "science" of astrobiology was launched when strange markings in a Martian meteorite were interpreted to be evidence of life. Here comes another one.
New Craters Found on Mars
February 13, 2014
Orbiters can count new craters forming on Mars, refining cratering rates. One spectacular new crater has appeared since 2010 with vivid rays.