In the 1982 blockbuster, E.T. the Extra-Terrestrial, E.T. is lured out of hiding using a trail of Reese's Pieces. But what ...

For years, the search for alien life has focused on Earth-like planets orbiting distant stars. But this episode explores a more surprising possibility: giant moons circling massive worlds may offer ...

With the release of Disclosure Day, Steven Spielberg’s new film about aliens, a question as old as science fiction itself ...