Based on the composition of gases spewed by the icy space rock, researchers estimate that our guest might be up to 12 billion ...

Scientists in California have completed one of the first dedicated searches for signs of alien technology on 3I/ATLAS, the ...

One year ago, on July 1, 2025, astronomers discovered a fascinating new object moving through the solar system. Detected by the Asteroid Terrestrial-impact Last Alert System (ATLAS), the object was ...

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

Avi Loeb has emphasised the need for humans to embark on interstellar expeditions, as we face a race against the clock to set ...

The Hubble Space Telescope image of the interstellar comet 3I/ATLAS on July 21, 2025, when the comet was 277 million miles ...

Strange interstellar comet speculated to be alien spacecraft is older than Solar System - Scientists say comet represents ...

An interstellar comet that recently passed through the solar system may have formed as long as 12 billion years ago, making ...

Astronomers first spotted Comet 3I/ATLAS in June 2025, and it was later confirmed as an interstellar visitor that originated ...

Using carbon isotopes in the comet to estimate its age, the authors believe it may be even more ancient than earlier ...

SETI scientists searched the interstellar object 3I/ATLAS for radio signals that could indicate extraterrestrial technology ...

PARIS, France — An interstellar comet that blazed past the Sun last year could be nearly three times older than our Solar ...