Decades in the making, NASA's X-ray timelapse shows a stellar explosion expanding into space at up to 2% the speed of light.

Which way is ‘down’ has a different answer depending on where you are on Earth, in the solar system, in our galaxy and beyond ...

There are about 15,000 satellites orbiting the Earth. Most of them, like the International Space Station and the Hubble ...

Here's how the astronomical phenomenon influences our planet—from the length of our seasons to the way Earth moves through ...

"Do we react for everything which has a chance to reach the ground? Or do we react only for the very large objects, as we did ...

Einstein’s claim that the speed of light is constant has survived more than a century of scrutiny—but scientists are still ...

In this episode of Space Minds, host Mike Gruss moderates a timely panel discussion at the Spacepower conference on how commercial space capabilities are reshaping national security, civil space, and ...

Sven Bilén founder and co-owner of Victoria Defense, which seeks to commercialize VLEO and other space technologies. He receives funding from DARPA and NASA related to VLEO technologies. Which is why ...

SaxaVord on the northernmost inhabited island of Unst is home to the UK’s only licensed ‘vertical launch’ spaceport. | ITV ...

As global adversaries field operational hypersonic vehicles, the U.S. has reached a 'Sputnik moment' for tactical space ...

An international team of researchers pointed the largest single-dish radio telescope in the world at 3I/ATLAS.

In the vast calm of the solar system, planetary orbits often appear orderly, stable, and insulated from the broader mechanics ...