Calder McHugh is deputy editor of POLITICO Nightly.

The sci-fi genre has long been one of the most thought-provoking and consistently popular in modern fiction. There are many staples of the genre that have come to define sci-fi for audiences, ...

Robots are machines that can automatically perform both simple and complex actions. They are often programmed by a computer, but there's no single definition of a robot. Robots include a wide variety ...