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

NASA has discovered a new interstellar comet that's currently located about 420 million miles away from Earth. The space ...

This week, astronomers spotted the third known interstellar visitor to our Solar System. First detected by the Asteroid ...

Astronomers are scrambling to gather data on a mysterious object that’s currently hurtling through the solar system.

Its closest approach to the Sun will occur around October 30, just inside Mars' orbit, at 1.4 AU, before it continues its ...

CAPE CANAVERAL, Fla. (AP) — Astronomers say they've spotted an object in our solar system that's believed to be from another ...

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

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

The detection of 3I/ATLAS marks our solar system’s third time saying aloha to an interstellar visitor, following the ...

NASA’s ATLAS survey telescope found an interstellar comet, which could be the largest yet, in the direction of the ...

The space agency spotted the quick-moving object with the Atlas telescope in Chile earlier this week, and confirmed it was a ...

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 ...