we can determine just how far away these exploding stars are. Astronomers also use this type of supernova to help study the rate of the universe's expansion, and how it has changed over time. NASA's ...

A new picture shows the inside of a star turning on itself in the short time before it spectacularly exploded.

NEW YORK (AP) — Scientists for the first time have spotted the insides of a dying star as it exploded, offering a rare peek into stellar evolution. Stars can live for millions to trillions of years ...

Recently, the Hubble Space Telescope captured a before-and-after image of a star exploding brightly. With the images one year apart, the contrast shows how bright a supernova is, and how that ...

A supernova blast 2.2 billion light-years from Earth has given astronomers a deeper view into a star's centre than ever before.

NASA has unveiled a breathtaking new image showing what appears to be a massive “cosmic hand” stretching across 150 light-years of space, created by one of the galaxy’s ...

The inside of a star turned on itself before it spectacularly exploded, according to a new study from NASA’s Chandra X-ray Observatory. Today, this shattered star, known as the Cassiopeia A supernova ...

The U.S. is looking for private companies that could potentially expand the life of the Swift Observatory, which was built to ...

Scientists think a gigantic dying star tried to swallow a black hole. It didn't end well for the star, a new study says.

What NASA has seen happening in the universe is not even half of what is actually going on. Meanwhile, they spotted one of ...

CAPE CANAVERAL, Fla. (AP) — Thousands of newborn stars sparkle and dazzle in the latest snapshot by NASA’s Webb Space ...

Far from our solar system lies a star so volatile that NASA refuses to take its eyes off it. This isn’t about science fiction or distant speculation. It’s about a real cosmic object living at ...