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 ...

An object dubbed 3I/ATLAS is only the third interloper from outside the Solar System seen in all of human history.

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 ...

Using NASA's Transiting Exoplanet Survey Satellite (TESS), an international team of astronomers has discovered a new ...

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 ...

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

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 ...

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

Astronomers have discovered a rare instance of a interstellar comet speeding through the solar system. The 3I/ATLAS was first ...

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