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

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

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

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 ...

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 ...

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

Astronomers have spotted an alien planet orbiting so closely to its home star, the planet's magnetic field is triggering ...

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

Astronomers have captured a stunning, detailed image of the nearby Sculptor galaxy, spanning an impressive 65,000 light years ...

"Each new detection brings us closer to understanding the origins of complex organic chemistry in the universe — and perhaps, ...

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