Just four years after the first human traveled to space, a Soviet cosmonaut and later an American astronaut took next steps that would be vital to exploration: They walked in space. A spacewalk, when ...

NASA has successfully completed its first spacewalk since March. American astronauts Frank Rubio and Josh Cassada returned to the interior of the International Space Station (ISS) on Tuesday afternoon ...

After space shuttle Challenger launched on mission STS-41B the early morning of Feb. 3, 1984, mission specialists Bruce McCandless II and Robert L. Stewart did the first spacewalks outside of a ...

This still image taken from a SpaceX and Polaris broadcast on September 12, 2024, shows US fintech billionaire Jared Isaacman (EV1) peeking out to space from a hatch ...

2024 was a breakthrough year for space exploration, including several milestones like the first private lunar lander touchdown and the first civilian spacewalk, as well as the beginnings of missions ...