Jonny Kim of NASA and Sergey Ryzhikov and Alexey Zubritsky of Roscosmos touched down in Kazakhstan on Tuesday (Dec. 9).

Astronomers have spotted the longest gamma-ray burst ever seen, a cosmic explosion that lasted seven hours — and they ...

"This observation also demonstrates that we can use Webb to find individual stars when the universe was only 5% of its ...

"The detection of life on Mars is a persistent top priority for explorers of many disciplines, and it is the top science ...

But the supermassive black hole lurking at the core of NGC 3783 is 30 million times the mass of our humble sun, and the ...

Aetherflux has focused its efforts on space-based solar power, with the goal of "building an American power grid in space." ...

China continues to make big advances in the final frontier. The nation just launched three Long March rockets in less than 19 ...

The Shenzhou 20 vehicle was deemed unfit to carry astronauts back to Earth after suffering a space junk strike.

The image shows a good example of the phenomenon Some of the best views of Earth come from beyond our home planet, as ...

Whether you're a casual fan or a spaceflight enthusiast, see how well you know one of the companies pushing the boundaries of ...

Auroras may be visible from Alaska to New York as an incoming coronal mass ejection is expected to slam into Earth today.

Monday's launch from Florida was SpaceX's 158th Falcon 9 launch of the year and 510th reflight of a first stage since 2017.