A NASA team using the Hubble Space Telescope found an object in space never recorded before, nicknamed “Cloud-9." ...

Astronomers have discovered a new type of object that is a starless cloud that failed to form as a galaxy. Here's what to ...

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

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

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 ...

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

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

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

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

Astronomers have created a detailed forecast of where they expect to observe future stellar explosions in a nearby galaxy, ...

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

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