Astronomers using NASA's James Webb Space Telescope (JWST) have discovered a mysterious object in the early universe that appears unlike anything ever seen before, a gigantic structure larger than our ...

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 ...

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 ...

A newly discovered interstellar object is moving through the solar system at around 137,000 mph, and it did not take long for alien spaceship rumors to explode online. The video explains why the ...

Add Yahoo as a preferred source to see more of our stories on Google. A deep image of interstellar Comet 3I/ATLAS captured by the Gemini Multi-Object Spectrograph (GMOS) on Gemini South at Cerro ...

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 ...

Is alien invasion armageddon coming for us in November? That's the speculation set off by a legitimate academic study recently published by a team of scientists. In early July, a previously ...

A JUPITER-SIZED planet has been spotted in a large circular orbit around its parent star, in the most similar solar system to our own yet seen. Although Earth-sized planets are too small to be ...