Sputnik skies to analysis of interstellar visitors, scientists are rethinking how and where to look for physical traces of ...

Aliens may have lived in our solar system, according to new research. NASA scientists have unveiled evidence that the dwarf ...

One million alien visitors from another star system could already be lurking in the solar system. We aren't talking about "little green men" here, however — more "little (and not so little) gray rocks ...

Those concerned that 3I/ATLAS' arrival to our solar system meant that some sort of alien invasion was imminent can breathe a ...

A provocative hypothesis by Harvard astrophysicist Professor Avi Loeb, that the interstellar object 3I/ATLAS might be an ...

Harvard's Avi Loeb says a rare sun alignment on 22 January could prove interstellar visitor 3I/ATLAS is an alien spaceship.

Billions of years ago, while the solar system was still young, a massive object may have drifted into it. It's not a spaceship, but it is an alien visitor in its own right—a colossal interstellar body ...

New polarimetry data on interstellar comet 3I/ATLAS reveals bizarre refractory dust, proving this alien visitor formed in a ...

There may be 19 asteroids in orbit around the sun that come from somewhere else entirely. If true, we could visit an alien 'world' without ever leaving the confines of the solar system. Share on ...

Realising that our solar system isn’t like most others out there has helped astronomers rewrite the story of how it formed ...