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

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

I/ATLAS, earlier known as A11pI3Z, is only the third interstellar visitor to be discovered passing through our corner of the ...

An object thought to have come from another star has been seen entering the solar system at high speed, and is expected to ...

A newly discovered object, dubbed A11pl3Z, appears to be moving too fast and straight to have originated in the solar system.

Close stellar encounters could change the structure of our planetary system, potentially dooming Earth or other worlds to oblivion ...

For years, astronomers have been searching for a mysterious ninth planet lurking in the dark outer reaches of our solar ...

The sun rises from the east, and sets in the west - this is a well-established fact for the longest time, and this is due to ...

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

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

The James Webb telescope has made another stunning discovery -- this time of a massive planet that could potentially sustain ...

New research says that Earth could be ejected from our solar system if a passing star was to come close enough.