For a long time, the end of the Ice Age felt like a slow fading rather than a sharp break. Mammoths vanished. Old ways of ...

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

The CosmicWatch device costs only $100 to make, making it accessible for both high school students and spacecraft operators.

"This was many times more energetic than any similar event and more than any known explosion powered by the collapse of a ...

NASA has released its longest-ever time-lapse from the Chandra X-ray Observatory, capturing the expanding remains of Keplers ...

It's the last clearly observed supernova in the Milky Way, Gassel said.

A meteor explosion has been captured from space for the first time ever, thanks to a team aboard the International Space ...

A s the James Webb Space Telescope (JWST) continues to peer into the origins of our universe, it’s delivering a steady stream ...

Scientists have detected the most distant supernova ever seen, exploding when the universe was less than a billion years old.

NASA’s Chandra Observatory reveals a 25-year time-lapse of Kepler’s Supernova Remnant. Glowing debris expands at different ...

SpaceX's Starship splashed down in the Indian Ocean about an hour after launch. A camera on buoy captured the fireworks.

New high-resolution images show that novae are anything but simple stellar fireworks. One exploded with multiple gas streams ...