When astronaut Bruce McCandless II drifted away from the safety of the Space Shuttle in 1984, it was terrifying. Not just for ...

In 1984, astronaut Bruce McCandless made history by floating 100 meters away from the space shuttle, completely untethered.

Bruce McCandless II during a panel discussion marking the 25th anniversary of the Hubble Space Telescope in 2015 ... my father decided he wanted to walk on the moon when he was very young ...

In February 1984, Bruce McCandless and Bob Stewart were the first to test-fly the MMU in space when they each ventured more than 300 feet from Challenger. (A photograph of the free-flying ...