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, ...

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

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

An object from another star has been seen entering the solar system at high speed, and is expected to whip around the sun in ...

Experts have confirmed that the mysterious object hurtling towards us, previously dubbed A11pl3Z, is an "interstellar object.

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

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

By Will Dunham WASHINGTON (Reuters) -Astronomers are tracking a newly spotted comet hailing from parts unknown, only the ...

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 ...

Researchers from the Nanjing Institute of Geology and Paleontology of the Chinese Academy of Sciences and Columbia University ...