NASA McCandless tested this MMU ... weighed 300 pounds—more like a refrigerator than a backpack—and was outfitted with 24 small thrusters powered by compressed nitrogen.

The unbelievable story behind the ‘most terrifying’ image NASA has ever taken of astronaut Bruce McCandless II who did the first-ever untethered spacewalk.

Sprayground, a New York-based accessories label, has launched an extraterrestrial backpack in collaboration with NASA. The "STEP INTO THE FUTURE" backpack features a lunar design embossed with an ...

For a brief period in the 1980s, astronauts went untethered outside their space capsule, flying with jet packs. The photos ...