Bruce McCandless II. Photo: NASA NASA astronaut Bruce McCandless II stepped away from the Space Shuttle Challenger on Feb. 7, 1984, using a jet-powered backpack called the Manned Manoeuvring Unit ...

By Kenneth Chang The rocket, developed by Isar Aerospace, lifted off from Norway’s Andøya Space Center and crashed about 30 seconds later. The test flight was part of efforts to make Europe a ...

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