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 ...

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

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

Interstellar Comet 3I/ATLAS, only the third verified visitor to enter our Solar System from beyond the stars, has seized ...

Comet ATLAS, once anticipated as a bright visitor, has shockingly disintegrated into a 'cloud of debris' after its solar pass ...

Experts noticed that 3I/ATLAS didn't have debris even after passing the sun. Is it really a comet or something else?

A NASA-funded survey telescope in Chile first observed the comet in July.

Comet K1 (ATLAS) is expected to make its closest passage to Earth on November 24, 2025, just 60 million kilometers (37.3 ...