Australia's space agency said there's a completely rational, albeit cosmic, explanation behind the mysterious orbs that ...

Some of these approaches may show promise, but new research indicates much of today’s AI is even more easily duped by false ...

Hollywood is packed with recognizable faces, but every so often, two stars come along who look so similar that fans can’t help but do a double take. These celebrity doppelgängers have spent years ...

Are we alone in the universe? Consider mysterious "extraterrestrial" radio signals. Unexplained gases on other planets.