On 18 March 1965 Soviet cosmonaut Alexei Leonov became the first person to leave a space capsule and, tethered to it, float freely in orbit – to space-walk. He was pilot of the Voskhod 2 mission ...

A SpaceX rocket set to blast off on a mission to reach a new milestone in human space flight — the first walk in space by private citizens — was delayed again Wednesday, this time by the weather.

Astronauts Scott Kelly and Kjell Lindgren embark on their first spacewalk from the International Space Station. This is the 189th spacewalk in the station's history and is led by Kelly ...

Mr Isaacman emerged first, wiggling his limbs ... closer to the conditions of the space vacuum outside. This type of space walk took a “very different approach” to previous walks from ...

Jared Isaacman led the Polaris Dawn mission that orbited Earth for five days. Now he could be taking on a bigger role in ...

He trained with Yuri Gagarin, the first human in space, and they became close friends. Watch archive footage of Leonov's and other spacewalks Leonov described his sortie into outer space in ...

The moment marked the first-ever private space walk. "There's nothing that's separating you from the vacuum of death other than the single-pane visor," Isaacman told Business Insider. That single ...

Donald Trump has chosen a space-obsessed billionaire who is a close ally of Elon Musk to run Nasa. The president-elect named ...

The mission included health and science experiments, a SpaceX Starlink internet network test ... and a spacewalk. Jared ...

Sunday marked the second time Kathy Sullivan made history. Nearly 25 years after she became the first US woman to walk in space, Sullivan became the first woman to ever reach Challenger Deep ...