Ophthalmologists come in all shapes and sizes. But this tiny Robotic Retinal Dissection Device (aptly named "R2D2"), is the smallest we've seen so far. What's more, it operates from inside a single ...

Robots have come a long way. Once "dumb" machines unable to walk a straight path, now they're in factories, in our phones — speaking to us, learning about us. We've seen a robot designed to shoot guns ...

Robosapien, a burping, kung-fu fighting robot, is one of this year's hot Christmas gifts. But an older, pudgier counterpart--an out-of-production R2-D2 robot from "Star Wars"--is proving a popular ...

There has never been an R2-D2 toy quite like this. Sphero, the company that helped bring the scene-stealing BB-8 to life in Star Wars: The Force Awakens and then delivered a tiny, but lively BB-8 ...