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

Learn what makes Comet 3I/Atlas, the third interstellar object ever observed entering into our solar system, so significant ...

In the vast reaches of our solar system, new discoveries are constantly reshaping our understanding of space. One such ...

The interstellar comet has reappeared after months hidden behind the sun, offering astronomers fresh clues about how comets ...

A newly discovered comet named C/2025 V1, which some have compared to 3I/ATLAS, is due to make its closest approach to Earth on Tuesday, Nov. 11.

C/2025 K1 (ATLAS) has broken into three distinct pieces following its closest approach to the sun on Oct. 8. Astronomers have ...

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

The object, estimated to be the size of a city block, is only the third known interstellar visitor to our solar system since ...

A stunning new image of interstellar comet 3I/ATLAS (C/2025 N1 ATLAS) reveals the cosmic visitor's ion tail has grown ...

Comet 3I/ATLAS, the third confirmed interstellar visitor, is making its final exit from the solar system — and skywatchers ...

The comet could be older than our solar system. The comet is also distinct because nickel vapor was detected in the gas ...