NASA has shut down Voyager 1’s Low-energy Charged Particles experiment to conserve dwindling power as the spacecraft travels 15.8 billion miles from Earth in interstellar space. The move is part of a ...

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Mission engineers at NASA's Jet Propulsion Laboratory in Southern California turned off the cosmic ray subsystem experiment aboard Voyager 1 on Feb. 25 and will shut off Voyager 2's low-energy charged ...