"Thanks to the high resolution of our new images, we detected a faint structure on the northeast side of this supernova remnant that had not been observed before." The Hubble Space Telescope may have ...

The powerful gravity of a galaxy embedded in a massive cluster of galaxies in this Hubble Space Telescope photo is producing multiple images of a single distant supernova far behind it. Both the ...

A magnetar known to scientists for 17 years might not have come from a supernova, like the rest of its ultra-magnetic brethren. But where did it form, then? The Hubble Space Telescope is on the case.

Astronomers are a step closer to cracking one of the secrets of dark energy—the mysterious force believed to be causing the universe's accelerated expansion.

On April 24, 1990, all 24,000 pounds of the Hubble Space Telescope were tucked away inside the Discovery space shuttle when it launched into space. Thirty-five years later, NASA says Hubble has proven ...

The Hubble Space Telescope, peering 10 billion years back in time to when the universe was in its adolescence, has spotted the most distant exploding star ever observed. Researchers said the discovery ...