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

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

SpaceX just launched a secret payload for the U.S. military. A Falcon 9 rocket lifted off into cloudy skies from Florida's ...

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

"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." ...

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

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

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

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

Look east at sunset on Jan. 3 to see the fully-lit lunar disk climb over the eastern horizon. It will likely take on a ...