A siphonophore—a colonial marine invertebrate related to the venomous stinging Portuguese Man-o-war—is scanned using Deep ...

Using emerging radio techniques refined during and after the Second World War, the astronomers detected a powerful radio ...

The “Wow!” signal is one of our best pieces of evidence for aliens, but researchers are building a compelling case for a more ...

Scientists say moons around rogue planets wandering through the galaxy could remain warm enough for life thanks to tidal heating and hydrogen-rich atmospheres. These dark, starless worlds may have had ...

James Webb uncovered exotic salt clouds surrounding the famous "Pink Planet," solving a long-standing mystery about one of ...

E.T. the Extra-Terrestrial was a global phenomenon that spawned many knockoffs, with films like Purple People Eater, Badi, ...

There’s no data to suggest that aliens exist. However, if we believed they existed and came to Earth, our planet would offer ...

A rare visitor from another star system prompted SETI to hunt for alien technology, but the mysterious object appears to be a ...

One of the coldest planetary-mass objects ever discovered has finally revealed its secrets. After years of failed attempts using ground-based telescopes, astronomers used the James Webb Space ...

George Takei is best known for his role as Hikaru Sulu on "Star Trek: The Original Series," but he has since become a global ...

Astrophysicist Neil deGrasse Tyson has a blunt request for the government as the Pentagon rolls out the highly anticipated UFO files — just “show the alien!” Tyson shared his two cents Monday on “The ...

Did Donald Trump and other world leaders meet with several mysterious red-uniformed entities with long blond hair and pale skin? No, that's not true: There is no reliable reporting or photographic ...