Proponents of ancient alien theories point to megalithic structures, strange inscriptions, and myths of gods descending from ...

In 1980, the Supreme Headquarters Alien Defence Organization covertly defends Earth against threats from a dying ...

Scientists have discovered more than 6,000 planets beyond our solar system. What if some of them aren't planets at all, but ...

Exoplanets like Earth have been discovered but not all Earth-like planets are equal when it comes to alien life.

Exceptionally preserved fossils from the Ediacaran period challenge what scientists thought was possible in sandstone. In the fossil record, creatures without hard shells or skeletons, such as ...

Scientists found new evidence (or lack thereof) disproving the conspiracy theory that interstellar comet 3I/ATLAS is alien ...

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

"Awards like these are a critical component of our incubator program for future missions, which combines government ...

By studying large language models as if they were living things instead of computer programs, scientists are discovering some ...

3I/ATLAS has passed its closest point to Earth, meaning we will soon lose sight of it for good. Some scientists want to send a spacecraft to chase down the alien comet — or the next interstellar ...