Astronomers have observed an object that originated from beyond our solar system, thought to be an interstellar comet, ...

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

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

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

The shattered star at the center was once a white dwarf, a stellar ember no larger than Earth, yet almost as heavy as the Sun ...

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

An "interstellar object" is speeding toward the inner solar system, where Earth is located, astronomers have confirmed.

A newly discovered object, dubbed A11pl3Z, appears to be moving too fast and straight to have originated in the solar system.

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

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

Astronomers spotted an object speeding at 133,200 miles per hour (about 214,364 kilometres per hour), which is too fast to be ...

It's only the third time that experts have spotted an object in the Milky Way that's come from a different solar system. Find ...