A hoax 'alien invasion' alert in Brazil caused panic and amusement, revealing vulnerabilities in emergency systems.

Alien invasion stories have been around for decades, and some of sci-fi's most interesting entries are often overlooked or ...

Humanity has a long history and fascination with aliens. In many cases, it's curiosity and wondering whether or not we're truly alone in the universe. In other cases, it's about humanity versus ...

Aliens are real. Or maybe not. The possibility of mystical beings watching over us or even walking among us is not just the ramblings of the fringe and Reddit users, but a key political and societal ...