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

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

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

It's only the third time that experts have spotted an object in the Milky Way that's come from a different solar system. Find ...

Astronomers have discovered a new object that originated outside of our Solar System — only the third to be found.

An object dubbed 3I/ATLAS is only the third interloper from outside the Solar System seen in all of human history.

It Came From Outside Our Solar System, and It Looks Like a Comet 3I/ATLAS, earlier known as A11pI3Z, is only the third interstellar visitor to be discovered passing through our corner of the galaxy.

The European Space Agency (ESA) said it is monitoring an unidentified object alongside Russia identified only as A11pl3Z as ...

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

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

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

The detection of 3I/ATLAS marks our solar system’s third time saying aloha to an interstellar visitor, following the ...