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 yesterday confirmed the discovery of an interstellar object racing through our Solar System — only the third ever ...

A cosmic body from another star system has entered Earth and is the largest one ever seen. In the previous decade, two other ...

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

It may be a 20km wide comet or a cosmic snowball, but it does not pose a threat to Earth. Read more at straitstimes.com. Read ...

Astronomers have confirmed the third interstellar object, 3I/ATLAS, speeding towards the Sun at 60 km/s. Classified on July 2 ...