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 ...

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 ...

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 ...

Astronomers have confirmed that a recently spotted object is an interstellar visitor, and appears to have come from the ...

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 ...

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

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 ...