A space probe called Kosmos 482 sent to explore Venus by the U.S.S.R. in 1972 but marooned in Earth orbit ever since is about ...

This image was captured by NASA's Juno spacecraft when it was 11,747 miles (18,906 kilometers) from the tops of Jupiter's ...

The cloud of hydrogen is shaped like a crescent and “literally glowing in the dark" like fluorescent stickers on a child's ...

An astronaut who missed out on the first all-female spacewalk because of a spacesuit sizing issue got her chance six years later.

The first spacewalk was conducted in 1965, by Russian cosmonaut Alexey Leonov. Nearly 20 years later, cosmonaut Svetlana ...

Colonel Anne McClain completed her first spacewalk on Thursday, six years after missing the first all-female EVA due to a ...

From 'Space: 1999' and 'Battlestar Galactica' to 'UFO' and 'Mork & Mindy,' the 1970s might be the best decade of sci-fi TV ...

NASA's Anne McClain emerged from the International Space Station on Thursday alongside Nichole Ayers for the 5th all-female spacewalk ...