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NASA’s twin Voyager probes, which launched in 1977, are the longest-running missions to send data home. But as their power ...

Still in action around Jupiter, NASA's Juno spacecraft has added to Europa's photo album. Arriving at Jupiter a year after Clipper will be the European Space Agency's Juice spacecraft, launched ...

NASA's Lunar Trailblazer mission is in jeopardy. It launched on Feb. 27 to send a probe to the moon in search of water. But less than a week after launch, NASA lost track of the spacecraft, which may ...