President Donald Trump has promised to declassify top-secret alien files and UFO documents. Here is what the Pentagon has ...

The question of whether aliens exist is not a new one. In science fiction films and books, people have wondered if we’re the only life in this universe and what that can imply for universes beyond ...

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 ...