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

Astrophysicist Josep Trigo-Rodriguez of the Institute of Space Sciences near Barcelona, Spain, believes it is an interstellar ...

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

"Astronomers may have just discovered the third interstellar object passing through the Solar System!" the agency's ...

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

An object from another star has been seen entering the solar system at high speed, and is expected to whip around the sun in ...

Astronomers have confirmed the presence of a new interstellar object hurtling through our solar system, on a trajectory that ...

How frequently does a traveler from another star system sweep through our galactic neighborhood, and astronomers rush to the telescope? Not until recently was the answer: hardly ever. In fewer than ...

Astronomy news always seems to break over coffee, on laptop startup. That was the case on Wednesday morning, when word of a ...

Astronomers have discovered a new interstellar comet passing through our solar system, marking the third interstellar object ...

A potential interstellar interloper is currently zooming toward the Sun. Its strange approach angle suggests it may have come ...