In Beijing, a humanoid robot named Lightning finished a half marathon in 50 minutes and 26 seconds, beating the human world record by nearly 7 minutes.

A paddle-wielding robot is so adept at playing table tennis that it is posing a tough challenge to elite human players and sometimes defeating them, according to a new study that shows how advances in artificial intelligence are making robots more agile.

We are now in the humanoid robot era, and they're starting to show up in our homes. But are they any good? And what's the path to improvement?

Swiss scientists have published research showing AI-informed robots can learn how to self correct and teach other robots how to behave. It raises questions of consciousness in artificial intelligence.

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Add Yahoo as a preferred source to see more of our stories on Google. A strip of film from George Méliès' 1897 short "Gugusse and the Automaton," which is thought to be the first film to feature what might be called a robot. (Shawn Miller/Library of ...