Around seven asteroids or comets are thought to hit Saturn ever year, but we have never spotted one in the act. Now, it seems ...

Astronomers manning an asteroid warning system caught a glimpse of a large, bright object zipping through the solar system ...

"This tangible evidence of a double detonation not only contributes towards solving a long-standing mystery, but also offers ...

Long theorized but never observed, the first known “planet with a death wish” is described by Ilin and her colleagues in a ...

Newfound interstellar object 3I/ATLAS may be carrying pristine material from early in the Milky Way’s star-forming history.

We live in a world defined by inches, feet and miles (or centimeters, meters and kilometers, if you prefer), and it’s not difficult for most of us to ...

New observations show a star that blew up in two separate bursts, confirming a long-suspected cosmic phenomenon called a ...

Astronomers have finally caught a dying star in space going out with a bang — and then another bang. The new photographic ...

The European Space Agency said Wednesday that scientists have discovered what might be only the third known interstellar ...

The explosion of a star, called a supernova, is an immensely violent event. It usually involves a star more than eight times ...

Astrophysicist Josep Trigo-Rodriguez of the Institute of Space Sciences near Barcelona, Spain, believes it is an interstellar ...

The icy giant is more than 10 times the size of any known comet, according to the National Radio Astronomy Observatory.