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

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 ...

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

It's too soon to know whether the object is a rocky asteroid or an icy comet, or how big and what shape it is.

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

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

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

"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 ...

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

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