Sputnik skies to analysis of interstellar visitors, scientists are rethinking how and where to look for physical traces of ...

H.R. Giger's original creature design continues to frighten audiences decades after it debuted in "Alien," but does the ...

If you found out we weren't alone, if someone showed you, proved it to you, would that frighten you? That question sits at the heart of Disclosure Day, Spielberg’s new film. Here are 10 movies that ...

A new paper posits that advanced alien civilizations may communicate through subtle flashes, like fireflies do on Earth. The thought experiment suggests that we need to avoid human biases in our ...