What if you found out that you had a long-lost relative? And what if that long-lost relative was from a different planet in our galaxy? And what if this faraway planet was home to billions of humans, ...

For Ancient Astronaut Theorists, a twin Sphinx supposedly buried deep in the sand at the Giza Plateau could be the key to reconnecting us with our alien ancestors in this clip from Season 9, ...

Add Yahoo as a preferred source to see more of our stories on Google. (Photo by BRENDAN SMIALOWSKI/AFP via Getty Images) A new genetic study claims alien DNA could be inserted into humans. Dr. Max ...

Add Yahoo as a preferred source to see more of our stories on Google. Is it the invasion of the genome snatchers? Just in case the idea of aliens walking around in human skin suits wasn't frightening ...

I suddenly thought about this. Suppose aliens came to Earth and started observing humans. And they looked at a certain person ...

Some evidence suggests that educated humans are OK with nonthreatening, methane-ice-spider-type aliens, and even very religious people might be able to accommodate the idea of life formed outside the ...

Former Air Force specialist Dylan Borland claimed the US government has recovered a non-human craft, but the supplied account ...

From the Star Wars spin-off The Mandalorian to the classic series Star Trek: The Next Generation, these are the best sci-fi shows that feature aliens.

Alien: Earth doesn't only introduce alien life forms — the upcoming FX series is set to feature technological innovations new to the Alien franchise. In the show's distant future, five corporations ...