This claim was, in fact, true. McCandless was, indeed, the first astronaut to perform an untethered spacewalk on Feb. 7, 1984 ...

Watch as the International Space Station takes shape in this time-lapsed NASA animation of its decade-long assembly, which ...

On Nov. 3, 1994, space shuttle Atlantis took to the skies on its 13th trip into space. During the 11-day mission, the STS-66 crew of Commander Donald ...

Why is Christian Science in our name? Our name is about honesty. The Monitor is owned by The Christian Science Church, and we’ve always been transparent about that. The Church publishes the ...

The new podcast 16 Sunsets opens with archive audio from Nasa’s mission control in 1981, in the build-up to the first flight ...

Other activities of the STS-8 crew included putting the Canadarm robotic arm through its paces and several experiments to see how space affects the human body, among other milestones. The shuttle ...

On October 23, 2007, the space shuttle Discovery launched the Harmony module to the International Space Station. ‘On This Day in Space’ Video Series on Space.com The Harmony module is a utility hub 14 ...

View of STS 51-D crew commander Karol Bobko training with the Arriflex 16mm camera.

She was one of seven crew aboard the Space Shuttle Endeavour, on a mission named STS-47. A determined student, Jemison received a scholarship to attend Stanford University at the age of just 16 ...

Following a launch scrub a week earlier, space shuttle Columbia took to the skies on Nov. 12, 1981, for its second trip into space. Astronauts Joe H. Engle and Richard H. Truly rode the reusable, ...