Test for Damp Ground at Mars' Seasonal Streaks Finds None

Spacewalkers Successfully Install New Docking Adapter for Commercial Crew Flights: Expedition 48 Commander Jeff Williams (shown here) and Flight Engineer Kate Rubins of NASA successfully installed the first of two international docking adapters Friday Aug. 19, 2016, during a five hour and 58-minute spacewalk. On Sept. 1, the two astronauts will spacewalk outside the space station for the second time in less than two weeks.


Test for Damp Ground at Mars' Seasonal Streaks Finds None: Seasonal dark streaks on Mars that have become one of the hottest topics in interplanetary research don't hold much water, according to the latest findings from a NASA spacecraft orbiting Mars.

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