Scientists combine observations from Mars missions to get the clearest and most accurate track of 3I/Atlas so far.

Most comets show green or blue light near sunlight. This colour comes from gases reacting to ultraviolet exposure. But Comet ...

Comet C/2025 K1 (ATLAS) has shattered into at least three glowing fragments in the November sky, offering astronomers a rare ...

Comet 3I/ATLAS, identified by the American space agency's asteroid tracking system, has intrigued astronomers since its discovery. The nomenclature '3I' indicates its interstellar origin, emphasizing ...

Comet 3I/ATLAS is cutting across the solar system on a trajectory that does not quite match expectations, threading past the ...

NASA released images of an interstellar comet flying past Mars, and scientists expressed doubt about the possibility that it ...

NASA released new images of 3I/ATLAS as it plunged towards the sun, captured by a host of the agency’s robots and probes.

The official UN/IAWN document confirms the interstellar comet 3I/ATLAS is the target of a formal planetary-defence exercise.

Interstellar comet 3I/ATLAS is now within 300 million km of Earth. Discover why NASA and ESA are tracking this ancient ...

The unusual comet—which is to pass Earth again in the coming weeks—is only the third known object to visit us from outside ...

This creates a massive logistical problem for the natural comet theory. If 3I/ATLAS is a natural comet behaving according to ...

American space agency NASA revealed it already used 12 major space assets to track and study the 3I/ATLAS interstellar comet.