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 ...

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

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

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 ...

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 ...

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

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

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