NASA telescopes in Chile have discovered a comet from interstellar space, making its closest approach in October.

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

For only the third time in history, astronomers have detected a new interstellar visitor — an object from another star — blitzing into our solar system.

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

Comet or asteroid heading for the Sun is only the third time an interstellar object has been spotted inside our group of ...

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

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

"Astronomers may have just discovered the third interstellar object passing through the Solar System!" the agency's ...

Zooming in on 78 disks in the Ophiuchus star-forming region, scientists saw hitherto undiscovered structures around young ...

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

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

Finding planets that could potentially be home to life isn’t very easy, but researchers from Switzerland have created an AI ...