China has built a shark drone to help it spy on and hunt down enemy ships and submarines. The stealthy sea robot can move at speeds of six knots and will help conduct reconnaissance as well as search ...

Xiaomeisha Sea World in Shenzhen faced backlash for showcasing a mechanical whale shark after five years of renovations. Critics highlighted the robot's visible gaps and the high entry fee of $40, ...

A robotic shark that gobbles up plastic waste has been let loose in London's docklands, to clean up the water by removing the equivalent of more than 22,700 plastic bottles per day, according to its ...