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

A new video shows the evolution of Kepler's Supernova Remnant using data from NASA's Chandra X-ray Observatory captured over ...

Discovered by volunteer scientists, this alien planet is out of synch with its siblings ...

Space scientists have released jaw-dropping scenes capturing a star’s violent death — recorded over more than two and a half decades.

Data from the Kepler project has confirmed a new world that fulfills the telescope's goal of locating Earth-sized planets ...

Welcome to Kepler-186 f. A distant alien world, bathed in the dim glow of its small star. Today, we're sending Chase on a ...

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

Kepler Communications' satellites will function as 'orbital data centers' that can store terabytes and will use lasers to ...

Astronomers have released a rare time-lapse video showing the violent expansion of a dead star over two decades. The footage ...

The scenes track the furious expansion of Kepler’s Supernova Remnant, the glowing remains of a star first spotted in 1604 by ...

Every week, Space.com delivers the latest discoveries, launches, and cosmic curiosities from across the universe. From ...