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

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

A massive object from outside the solar system is passing through, but the world is not in danger. It is a rare visitor, ...

Stars passing close to the sun could cause planets to collide, including with Earth, or even be ejected as rogue planets, new ...

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

The icy giant is more than 10 times the size of any known comet, according to the National Radio Astronomy Observatory.

NASA has discovered an interstellar comet that’s wandered into our backyard. The space agency spotted the quick-moving object with the Atlas telescope in Chile earlier this week, and confirmed it was ...