All signs were already indicating that interstellar comet 3I/ATLAS was unlike anything we'd ever seen.

Interstellar comet, 3I/ATLAS, might be one of the oldest celestial bodies ever seen, potentially forming 10 to 12 billion years ago. This ancient visitor, detected in July 2025,…

All signs were already indicating that interstellar comet 3I/ATLAS was unlike anything we'd ever seen.

The evidence is mounting: this interstellar visitor is even older and weirder than anyone thought

As interstellar comet 3I/ATLAS began moving away from the Sun in December 2025, astronomers took the opportunity to turn NASA’s powerful James Webb Space

Observations suggest comet spent billions of years on ‘vast unimaginable trajectories’ around our galaxy

Exactly where the comet 3I/ATLAS came from within the Milky Way remains a mystery.

An interstellar comet that blazed past the Sun last year could be nearly three times older than our Solar System and is unlike anything ever before seen in our cosmic backyard,…

The comet 3I/ATLAS is just the third visitor from beyond our Solar System that humanity has ever observed.

An interstellar comet observed last year may predate our solar system by billions of years, traveling on extraordinary galactic paths unlike anything previously encountered.

Scientists say comet represents preserved fragment of ancient planetary system

What can 3I/ATLAS teach astronomers about the origins of life?

Scientists reveal comet 3I/ATLAS is up to 12 billion years old, offering insights into ancient planetary systems and cosmic conditions.

Il telescopio spaziale James Webb ha fornito dati sorprendenti sulla cometa interstellare 3I/ATLAS, rivelando una composizione chimica che suggerisce un'origine estremamente…

The interstellar visitor likely formed around 12 billion years ago in an ancient planetary system.