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

This is only the third known interstellar object to pass through our cosmic neighborhood, following in the footsteps of ...

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

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

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

There's a new interstellar object moving through our solar system and it's called 3I/ATLAS, according to NASA.

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

Scientists may have discovered a dwarf planet far beyond Neptune — an unearthing that may disprove a longstanding theory ...

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

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