One moment occurred in 1984 when NASA astronaut Bruce McCandless II became the first human to spacewalk or float free from ...

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

While terrifying, there's an overlooked NASA spacewalk which looks equally terrifying to untrained Earth-dwellers. In 1984, ...

Starhopper’s first untethered flight Starhopper is SpaceX ... The first mission, Polaris Dawn, plans to conduct the first all-private spacewalk. It also intends to achieve the highest Earth ...

Since those early steps, extravehicular activity has helped provide the solutions to many problems that astronauts face in ...