An interstellar comet that swept through the inner Solar System last year may be nearly three times older than the Sun and its planets, astronomers said...

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,…

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

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

An interstellar comet that swept through the inner Solar System last year may be nearly three times older than the Sun and its planets, astronomers said...

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.

Межзвездная комета 3I/ATLAS, пролетевшая мимо Солнца в прошлом году, может оказаться почти втрое старше Солнечной системы — ее возраст оценили в 12 млрд лет.…

Formado há dez a 12 mil milhões de anos, nos primórdios do Universo, o cometa interestelar 3I/ATLAS é provavelmente o objecto mais antigo alguma vez observado a atravessar o…

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,…

PARIS, June 23 — 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...

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

La investigación basada en datos del James Webb y de ALMA señala que el visitante interestelar sería anterior al origen de nuestro entorno planetario, formado hace unos 4.500…

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?

Secondo uno studio pubblicato su Nature l'asteroide ha origini antichissime, 7 miliardi di anni in più del nostro Sistema Solare. La sua composizione chimica suggerisce che sia…

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

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

Si moltiplicano le prove secondo cui questo visitatore interstellare sarebbe ancora più antico e strano di quanto si pensasse