Is the solar system an interstellar highway, with cosmic objects speeding past at warp speeds without human notice? That’s ...

How do we know 3I/ATLAS, also called comet C/2025 N1 (ATLAS), is interstellar? Will it strike Earth? Can we visit it? Here ...

Astronomers have discovered 3I/ATLAS, only the third known interstellar object to enter our solar system—here’s what we know so far.

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

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

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

There's a new interstellar comet in the neighborhood! Known as 3I/ATLAS, this comet poses no threat to Earth – but it does ...

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

An object dubbed 3I/ATLAS is only the third interloper from outside the Solar System seen in all of human history.

A mysterious object the size of Manhattan, originating from outside our Solar System, has been spotted by astronomers.

“On July 1, the NASA-funded ATLAS (Asteroid Terrestrial-impact Last Alert System) survey telescope in Rio Hurtado, Chile, ...