Scientists have discovered “alien-like” water inside a 400-million-year-old plant, revealing unusual chemistry that could ...

Aliens did not visit Earth in the distant past. They didn't build the pyramids or rule ancient Greece from Mount Olympus or teach Mesoamericans how to plant corn. How do I know? Because they did ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. Rod Pyle, Editor in Chief of Ad Astra ...

Alien invasions are terrifying to think about, but cool to watch on TV. These are the 10 best shows you can watch about that unlikely occurrence, ranked.

Theoretically, it’s impossible for us to perceive a 4D creature. That is, unless it broke into our three-dimensional reality.

They’re running rings around Uranus. New research suggests a moon orbiting the sophomoric-sounding planet might contain enough natural resources to support alien life. Scientists from Johns Hopkins ...

Though the series’ protagonist is an alien, the show’s science fiction elements were relatively subtle in the early seasons. Harry spends as much time investigating the murder of the town’s last ...

News stories about the likely existence of extraterrestrial life, and our chances of detecting it, tend to be positive. We are often told that we might discover it any time now. Finding life beyond ...

E.T. could be phoning home — but we’re not hearing the call. A new study published in The Astrophysical Journal argues that “space weather” could be distorting incoming transmissions from ...

Add Yahoo as a preferred source to see more of our stories on Google. While the buzzy sci-fi series is science fiction (obviously), Dr. Sward says there's plenty of real science peppered throughout.