A strange interstellar comet discovered last year and speculated by a prominent astronomer to be an alien spacecraft could be ...

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

A NASA‑linked study argues that alien probes could already be in our Solar System, but our surveys are still too crude to ...

An interstellar comet that blazed past the Sun last year could be nearly three times older than our Solar System and is ...

An interstellar comet that blazed past the sun and swung by Earth last year could be nearly three times older than our solar ...

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

An interstellar comet that blazed past the sun last year could be nearly three times older than our solar system and is ...

Moon dust may be hiding signs of pulverised alien technology, scientist says - Grain-sized remnants of alien technology may ...

Astronomers say interstellar comet 3I/ATLAS may be up to 12 billion years old, making it far older than the Solar System. New ...