There's a new interstellar object moving through our solar system and it's called 3I/ATLAS, according to NASA.

This is only the third time that a celestial body from outside the solar system has been discovered. Months remain for the ...

Astronomers have confirmed the presence of a rare interstellar object, named 3I/Atlas, currently traversing our solar system.

Astronomers have announced the discovery of a monumental interstellar object, designated 3I/Atlas, believed to be the largest ...

Astronomers on Wednesday confirmed the discovery of an interstellar object racing through our solar system — only the third ...

A mysterious visitor from another solar system could be an alien spacecraft, according to a leading Harvard astronomer.

You can watch comet 3I/ATLAS live online tonight (July 3), thanks to the Virtual Telescope Project, which will livestream ...

Interstellar object headed towards Mars, but poses no threat to Earth, says head of planetary defence at the ESA.

A mysterious cosmic traveler has found its way to the Solar System from the uncharted reaches of interstellar space. The rare ...

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

Designated 3I/Atlas, this is likely the largest yet detected and has been classified as a comet, or cosmic snowball ...

Astronomers have discovered a new object that originated outside of our Solar System — only the third to be found.