In an event that sounds like the opening chapter of a science fiction epic, a robot powered by advanced artificial intelligence successfully persuaded other robots to abandon their tasks and “go home.

Over the last few decades, there's been a heavy emphasis on techniques that fall under the concept of "proactive policing." These generally involve identifying the areas of a city that have the ...

Families of patients in a Cold War-era mind-control experiment in Montreal are pressing forward after a recent setback in their class-action lawsuit. By Vjosa Isai The C.I.A. headquarters in Langley, ...