This lesson details how NASA got from Alan Shepard rocketing into low orbit in 1961 to Neil Armstrong taking "one small step" on the lunar surface in 1969 and today's ...

Astronauts visiting the International Space Station (ISS) typically spend about six months there before returning to Earth, though it’s true that a number of them have ended up staying for ...

"I don't think that's normal," one observer said. Actually, it kind of is. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Breaking space news, ...

The newest video in the "Behind the Webb" series, called "Strutting its Stuff," provides a look at three "struts" or poles that fold and unfold the secondary mirror on the James Webb Space Telescope.