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.

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

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

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

An "interstellar object" is speeding toward the inner solar system, where Earth is located, astronomers have confirmed. The object -- likely a comet -- was first detected in data collected between by ...

A cataclysmic variable star was found as part of a project using two telescopes from opposite sides of the world.

And astronomers have a brand-new, superpowerful eye with which to see the changing cosmos: the Vera C. Rubin Observatory in Chile. The Rubin Observatory released its first images last week, and ...

Previously described as playing astronomical "spot the difference," Kilonova Seekers asks the public to compare the latest ...