Zhang said that, technically, comet 3I/ATLAS has only appeared to "change color" a single time  —  when its coma became ...

Back on planet Earth, and deep inside a pitch-black, sulfuric cave on the Albanian-Greek border, we reported on a study that ...

After briefly escaping from Earth's view during a (very) close approach to the sun on Oct. 30, Comet 3I/ATLAS can finally be ...

I/ATLAS recently passed its closest point to the sun. Because of its unusual behavior, some scientists are wondering if it's ...

A researcher has captured comet 3I/ATLAS glowing green and hiding its tail in a new image from the Lowell Observatory's ...

Having just passed perihelion — its closest approach to the sun — comet 3I/ATLAS has re-emerged from behind the sun, offering ...

Comet 3I/ATLAS, which made a close approach to the sun, has prompted lots of public interest. Kim Kardashian asked NASA's ...

Having made its closest approach to the sun on Wednesday October 29, comet 3I/ATLAS will soon be visible from Earth ...

Comet 3I/ATLAS, a 7-billion-year-old visitor from another star system, is stirring alien rumors. Scientists explain why the ...

New photos show that the recently discovered comet C/2025 K1 (ATLAS) developed a surprising golden glow after reaching its ...

The surface of comet 3I/ATLAS may have been so radically altered by cosmic rays that deducing its home star system would be ...

The 3I/ATLAS comet was first spotted in July near Jupiter after it entered our solar system from another universe. Here’s ...