PARIS—The failure of the radar instrument on NASA’s Soil Moisture Active Passive (SMAP) satellite will have no effect on the European Space Agency’s purchase of U.S. technology similar to what is ...

Less than four months after lift-off, testing on NASA's Soil Moisture Active Passive (SMAP) observatory is complete, and science operations have begun. The data recorded by the mission, which will ...

WASHINGTON — Despite the July failure of the radar on NASA’s Soil Moisture Active Passive (SMAP) satellite, scientists hope to salvage the $1 billion mission by enhancing data from its other sensor ...

United Launch Alliance (ULA) has successfully conducted a rare Delta II launch on Saturday morning, at 6:22 am local, following a scrub on Thursday, along with a debonding of insulation on the booster ...

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NASA's Soil Moisture Active Passive mission is designed to study the moisture content of the entire Earth's topsoil like never before. The results, scientists say, could help predict droughts, ...

For scientists now studying the voluminous amounts of data collected daily by NASA's Soil Moisture Active Passive (SMAP) mission, speed is everything. A new NASA-developed data-transmission technology ...