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

Though 3I/ATLAS will never come close to Earth, its passage offers a rare chance to study material beyond our solar system with ground-based and orbital telescopes, before it accelerates back into ...

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

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

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

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

The first interstellar object spotted in our Solar System was the cigar-shaped ‘Oumuamua, discovered in 2017 by the ...

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

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

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.

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