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 ...

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

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 ...

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

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

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

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 decade-long wait for U.K. astronomers ends as the NSF–DOE Vera C. Rubin Observatory reveals dazzling first images.

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

Earth" that is located about 154 light-years away and is nearly twice as big and four times as massive as our planet.