Rocky bodies called protoplanets were thought to have formed slightly earlier in the inner solar system than those beyond the ...

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

Astronomers have observed an object that originated from beyond our solar system, thought to be an interstellar comet, ...

Though 3I/ATLAS will never come close to Earth, its passage offers a rare chance to study material beyond our solar system ...

A MYSTERIOUS cosmic object has been spotted zooming through our solar system – and astronomers say it is only the third of ...

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

NASA has discovered a new interstellar comet that's currently located about 420 million miles away from Earth. The space ...

All eyes are on Comet 3I/Atlas as astronomers worldwide chase the exotic ice ball through our solar system ...

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

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

Officially named 3I/ATLAS, the comet was confirmed as having originated outside of Earth's solar system on July 3, according ...

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