Discover 3I/ATLAS, an interstellar comet with a reddish hue, rich in water ice, and possibly predating the solar system.

A comet the size of Manhattan has been detected hurtling through the solar system, marking only the third time an interstellar object has been observed from Earth. This was confir ...

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

The new interstellar comet's official name is 3I/ATLAS. It's officially the third known interstellar object to pass through our solar system, and it poses no threat to Earth.

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

Astronomers have confirmed that a rare intersteller object is zooming through the solar system. This is only the third time this has been recorded.

A mystery alien object that has come from interstellar space has been spotted travelling through the Solar System. The object, thought to be about 12 miles in diameter, is likely to be a comet or ...

A mysterious visitor from another solar system could be an alien spacecraft, according to a leading Harvard astronomer.

Astronomers on Wednesday confirmed the discovery of an interstellar object racing through our Solar System -- only the third ever spotted, though scientists suspect many more may slip past ...

Astronomers have discovered a rare instance of a interstellar comet speeding through the solar system. The 3I/ATLAS was first spotted on July 1 by the NASA-funded Asteroid Terrestrial-impact Last ...