The celestial body's unusual orbit “implies that something extraordinary occurred" in the early days of the solar system—and ...

KQ14, nicknamed "Ammonite", was discovered using the Subaru Telescope and is a highly elliptical object with a perihelion and ...

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

Just the third-ever confirmed interstellar object has been detected in our solar system. Here's what we know. (Spoiler: It's ...

Such is the case with 3I/ATLAS, a third known interstellar object from outside of our solar system to be discovered, which ...

THE mysterious interstellar object blazing through our solar system could be a piece of “possibly hostile” alien technology, ...

Astronomers have confirmed the third interstellar object on record is dashing through our solar system. Dubbed 3I/ATLAS, it ...

The Hubble Space Telescope has snapped some spooky looking photos of our solar system's newest interstellar invader on the ...

Harvard astronomer Avi Loeb suggests that if interstellar object 3I/ATLAS isn't a comet, nor an asteroid, it may have been ...

Astronomers on Wednesday confirmed the discovery of an interstellar object racing through our Solar System – only the third ...

By Will Dunham WASHINGTON (Reuters) -Astronomers are tracking a newly spotted comet hailing from parts unknown, only the third time such an interstellar object has been observed visiting our solar ...