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 ...

Astronomers are scrambling to gather data on a mysterious object that’s currently hurtling through the solar system.

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, ...

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 ...

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

The object gained an official name, C/2025 N1 or 3I/ATLAS, on Wednesday. Moving at a record-setting speed for an interstellar ...

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 ...

The sun rises from the east, and sets in the west - this is a well-established fact for the longest time, and this is due to ...