Approaching the third anniversary of its landing on Mars, NASA's Curiosity Mars rover has found a target unlike anything it has studied before—bedrock with surprisingly high levels of silica. Silica is a rock-forming compound ...
Jul 24, 2015 in Space Exploration
Science-team members for NASA's Mars Reconnaissance Orbiter are soliciting help from the public to analyze exotic features near the south pole of Mars.
Jul 23, 2015 in Space Exploration