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

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

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

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

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

I/ATLAS is only the third interstellar object ever detected. You can stream the object live today, or maybe see it from your ...

An "interstellar object" is speeding toward the inner solar system, where Earth is located, astronomers have confirmed.

Astronomers are tracking a newly spotted comet hailing from parts unknown, only the third time such an interstellar object ...

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

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 ...

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