When the streets of Los Angeles flooded with rain last week, some of the city’s residents found themselves feeling sorry for a peculiar object: a food delivery robot floundering in water and debris.

China has made the development of humanoid robots a strategic priority in its tech battle with the U.S. Analysts see China taking an early lead in the technology with domestic firms ramping up ...

Hidden lava tunnels on the Moon and Mars could one day shelter human explorers, offering natural protection from radiation and space debris. A European research team has unveiled a bold new mission ...