Samsung Electronics Co. has once again sidelined Ballie, a long-anticipated robot that was first announced six years ago but never released.

Robots zipping past people's legs while performing deliveries around a city may conjure up scenes from "Star Wars." However, that soon may be the norm as DoorDash launches its own delivery robot, ...

The field of robotics has come a long way over the past few years. Whereas up until not long ago robots that are useful in one way or another were mostly to be found in fixed positions inside ...