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Pebbly Rocks Testify to Old Streambed on Mars
Detailed analysis and review have borne out researchers' initial interpretation of pebble-containing slabs that NASA's Mars rover Curiosity investigated last year: They are part of an ancient stream ... more
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Radiation Measured by Curiosity During Mars Trip Has Implications for Human Missions
Measurements taken by NASA's Mars Science Laboratory (MSL) mission as it delivered the Curiosity rover to Mars in 2012 are providing NASA the information it needs to design systems to protect human ... more
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Hydrogen 'food' could help sustain life in ocean's crust or on Mars.
A chemical reaction between iron-containing minerals and water may produce enough hydrogen "food" to sustain microbial communities living in pores and cracks within the enormous volume of rock below ... more
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Radiation on trip to Mars near lifetime limit
Astronauts who travel on future missions to Mars would likely be exposed to their lifetime limit of radiation during the trip, not to mention time spent on the Red Planet, scientists said Thursday. ... more
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