Often remade, often imitated, 'Invasion of the Body Snatchers,' 70 this month, touched a nerve. Here's why ...

Alien invasions are a staple of fiction, but many of the reasons given for attacking Earth fall apart under basic scrutiny. A civilization capable of crossing interstellar space would not need our ...

Alien invasion stories are among the earliest science fiction in the Western canon—they not only explore the strange and unknown but also heighten the stakes by bringing danger inside human ...

This classic, influential sci-fi movie is 70 years old, and its themes are even more poignant today.