DoorDash Inc., the largest food-delivery app in the US, unveiled a delivery robot and a smart scale for restaurants, showcasing the company’s yearslong effort to develop hardware. DoorDash co-founder ...

DoorDash unveiled Dot, a four-wheeled delivery robot that can travel 20 mph on roads, bike lanes and sidewalks while carrying 30 pounds. The robot is currently being tested in Tempe and Mesa, Ariz., ...

Swarm Intelligence, inspired by collective behaviors in nature, is now being applied to robotics, enabling multiple humanoid robots to collaborate seamlessly on complex tasks. UBTech's Walker S1 ...