A robotic dog that can run, climb, and carry your gear across rugged terrain sounds like science fiction. But Chinese robotics company Unitree believes it has built exactly that with the As2 companion ...

As China hurries to beat the US in a technological arms race, it is throwing billions at developing machines for everything from warfare to making coffee. But is it too much, too soon?

Spot, the four-legged robot from Boston Dynamics Inc., is perhaps best known for its viral dance routines to songs like “Uptown Funk.” But beyond its playful antics, Spot’s ability to climb stairs and ...