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

"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.

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

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 ...

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

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

Astronomy news always seems to break over coffee, on laptop startup. That was the case on Wednesday morning, when word of a ...

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

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

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

"We have discovered a galaxy that has been 'perfectly preserved' for billions of years, a true archaeological find that tells ...