NASA launches Earth-observing satellite
VANDENBERG AIR FORCE BASE, Calif. (AP) -- A NASA satellite lifted off early Saturday on a three-year mission to track the amount of water locked in soil, which may help residents in low-lying regions brace for floods or farmers prepare for drought conditions.
NASA explores inflatable spacecraft technology
NORFOLK, Va. (AP) -- Devising a way to one day land astronauts on Mars is a complex problem and NASA scientists think something as simple as a child's toy design may help solve the problem. Safely landing a large spacecraft on the red planet is just one of many engineering challenges the agency…

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