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 ...

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 launch, a Starlink mission carrying 28 internet satellites to low-Earth orbit, is scheduled to take off from Space Launch ...

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

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 ...

Two astronauts will exit the International Space Station for NASA's 93rd spacewalk.Astronauts Anne McClain and Nichole Ayers ...

Billionaire Jared Isaacman, who has been to space twice and is Trump's pick to head NASA, could be one step closer to confirmation after a hearing.

A defunct Soviet satelitte is slated to hurtle back to Earth next week, prompting concerns from space experts that we could ...

A brilliant flash from deep space once baffled scientists. But now, that mystery has been solved—and it reshapes what we know ...