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

The James Webb Space Telescope is one of the most powerful telescopes ever made by NASA till now. It continues to help us set eyes on cosmic wonders, .

If scientists are able to inspect it in person, and they find that Mars was indeed once alive with microbes, we would know ...

Eric and Wendy Schmidt are backing a start-up-like approach to building a giant space telescope and powerful ground ...

Bigger than Hubble and launching as soon as 2029, the Lazuli Space Observatory would be the first-ever full-scale private ...

Scientists have detected the most distant supernova ever seen, exploding when the universe was less than a billion years old. The event was first signaled by a gamma-ray burst and later confirmed ...

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

James Webb has spotted the most distant supernova ever seen, exploding just 730 million years after the Big Bang, offering ...

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

A first-of-its-kind space telescope could soon launch into orbit and potentially chart a new path forward for astronomy.

For every galaxy that's visible from Earth, there are nine smaller ones that we can't see, even with all the technology we've ...

Astronomers have obtained remarkably detailed images of two stellar explosions -- called novae -- just days after they began.