Elon Musk has turned a long-running joke about being an extraterrestrial into a central part of his public persona, even as he argues that humanity may be the only intelligent life in the universe.

Whether alien life exists in the universe may be one of science's most important questions. Now, a leading British scientist ...

When Alien: Earth makes its long-awaited debut tonight on Hulu and FX, it will introduce fans of the Alien franchise to a vast cast of new characters. As you’ll learn as soon as Alien: Earth starts, ...