A new paper posits that advanced alien civilizations may communicate through subtle flashes, like fireflies do on Earth. The ...

The third known visitor from another star system, Comet 3I/ATLAS, has been racing through the Solar System with just enough ...

We've all grown up dreaming of aliens landing on the Earth or laser beaming across the sky; well, either way, it's sci-fi and ...

It seems that we are completely alone in the universe. But simple reasoning suggests that there should be an abundance of alien civilizations. Maybe they're all out there, but they are keeping their ...

Harvard astrophysicist Avi Loeb is one of the biggest proponents of the theory that the comet was sent by an alien ...

In the many decades of NASA exploration, there has only been one detection that got on that scale. It was collected by the ...

A recent conundrum about a star 1,500 light years away discovered by the Kepler Space Telescope has extraterrestrial enthusiasts crying "alien" as an explanation, but scientists studying the star are ...

The simulation hypothesis—the idea that our universe might be an artificial construct running on some advanced alien computer—has long captured the public imagination. Yet most arguments about it rest ...

A mysterious intergalactic object could potentially be a “hostile” alien spacecraft that’s slated to attack our planet in November, according to a controversial new study by a small group of ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

Giorgio A. Tsoukalos talks about the Alien Astronaut Theory & the new episodes of "Ancient Aliens" on The History Channel.

One common complaint about science fiction involving aliens, especially a large and diverse cast of different alien races, is that the aliens just aren't alien enough. It seems like every week, the ...