Robots come in a vast array of shapes and sizes. By definition, they're machines that perform automatic tasks and can be operated by humans, but sometimes work autonomously—without human help.

The titular character of the Apple TV+ series “Murderbot” doesn’t call itself Murderbot because it identifies as a killer; it just thinks the name is cool. Murderbot, a.k.a. “SecUnit,” is programmed ...

Dozens of companies are building robots that look like humans. One of them is training a machine to be a butler and will soon test them in homes. Dozens of companies are building robots that look like ...