Interstellar visitor Comet 3I/ATLAS was discovered just a week ago and ever since, astronomers across the world have been ...

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

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

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 ...

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

The newly discovered interstellar visitor is just the third of its kind and fascinates astronomers who hope to learn from it ...

The object — thought to be a comet — is only the third-ever confirmed interstellar visitor to pass through our cosmic ...

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

A new interstellar object, A11pl3Z, has been discovered in our solar system, marking the third such object to be observed. It ...

The monstrous 85-mile-wide comet C/2014 UN271 is the second most distant body originating from the Oort Cloud found to be ...

The comet "is packed with materials that have been frozen since the beginning of solar system time," Jewitt said. "When we study these comets, we're trying to look at material has been preserved ...