Based on evidence collected by the James Webb Space Telescope, researchers have found that interstellar comet 3I/ATLAS could ...

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

The universe is at it again; scientists have been baffled by a discovery that turns all the knowledge they have on planetary ...

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

Grain-sized remnants of alien technology may get caught in solar wind and land on plants and moons close to us ...

Rare interstellar visitor the size of Manhattan carries secrets from distant star system Controversial 'comet': An artist's ...

[How Planets in Alien Solar Systems Stack Up (Infographic)] "It is very difficult for materials to spread throughout that system in the same way it could take place in our solar system," said study co ...

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