Astronomers are tracking interstellar comet 3I/ATLAS after JWST and NASA missions detected an extreme CO₂ outburst that ...

Since comet 3I/ATLAS, the third known interstellar object, was discovered on 1 July 2025, astronomers worldwide have worked ...

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

New images show that comet C/2025 K1 (ATLAS) has fragmented after passing its closest point to the sun, ahead of its close ...

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

Astronomers confirm 3I/ATLAS' radio signal is natural, not alien, with MeerKAT data showing it matches typical cometary ...

A radio signal? That would have to confirm the object is technlogical in nature, wouldn't it? The thing is, this isn't a ...

Ever since astronomers first detected interstellar comet 3I/ATLAS in July, speculation about its true nature has run wild.

A mysterious visitor from beyond our solar system is making a rare appearance: Comet 3i/ATLAS is an interstellar comet, ...

Comet 3I/ATLAS appears to be normal and intact, despite some reports that the interstellar visitor exploded after its brush ...

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

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