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

Scientists have observed a new type of black hole that is too heavy to have been born from a star but still too slim to … The ...

Astronomers in Hawaiʻi detected the solar system's third interstellar object, C/2025 N1 or 3I/ATLAS, which poses no threat to ...

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

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

Only a few dozen of these short-lived binaries exist in the galaxy at a time, making the serendipitous find extremely ...

"Astronomers may have just discovered the third interstellar object passing through the Solar System!" the agency's ...

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.

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

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

A NASA satellite that’s been orbiting as space junk since 1967, Relay 2, emitted an unexpected, powerful radio burst that ...