Astronomers pointed two of the world’s most sensitive radio telescopes at 3I/ATLAS, the third confirmed interstellar object ...

Recently discovered interstellar comet 3I/ATLAS have been captured using the European Southern Observatory's Very Large ...

Comet 3I/ATLAS arrived from beyond the Solar System carrying a chemical story unlike anything astronomers had measured before ...

Astronomers studying the interstellar comet 3I/ATLAS say it could be a 12‑billion‑year‑old relic formed in near‑absolute‑zero conditions, while Nasa dismisses claims it is an alien probe.

During last year’s brief visit from the comet 3I/ATLAS, astronomers got an extremely rare glimpse into the cosmos beyond our ...

Cropped image of NASA’s James Webb Space Telescope observation of comet 3I/ATLAS with its Near-Infrared Spectrograph ...

Scientists studying interstellar comet 3I/ATLAS say its unusual chemical fingerprints suggest it formed around an ancient ...

JWST detected rising methane emissions from interstellar comet 3I/ATLAS, exposing ancient interior ice and offering new ...

This image of interstellar comet 3I/ATLAS was taken on 18 January 2026 with the FORS2 instrument on ESO’s Very Large ...

I/ATLAS, the third interstellar comet after ‘Oumuamua and 2I/Borisov, has revealed itself to be as old as the universe. It ...

Interstellar comet 3I/ATLAS carries isotopic ratios entirely outside the Solar System range, ESO’s Very Large Telescope has confirmed, pointing to formation around an ancient star predating our Sun by ...

I/ATLAS still has surprises in store: data from the James Webb Space Telescope suggests that the interstellar comet is even older than previously thought.