Astronomers manning an asteroid warning system caught a glimpse of a large, bright object zipping through the solar system ...

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

NASA has discovered an interstellar comet that's wandered into our backyard. The space agency spotted the object with the ...

Astronomers are tracking a newly spotted comet hailing from parts unknown, only the third time such an interstellar object ...

Astronomers have confirmed the discovery of an "interstellar object" named 3I/Atlas passing through the inner solar system.

Dubbed 3I/ATLAS, the comet poses no danger to Earth and will remain roughly 150 million miles away as it speeds by.

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

Astronomers discovered 3I/ATLAS, a 10–20 km-wide interstellar comet racing into the solar system. It will reach perihelion in ...

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

Newfound interstellar object 3I/ATLAS may be carrying pristine material from early in the Milky Way’s star-forming history.

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