In between the speedboats, luxury yachts, and wooden fishing boats moored in a Hong Kong marina, a different kind of vessel maneuvers. It looks unassuming, but as the three-meter-long (10-foot-long) ...

Just when you think technology can't get any stranger, it does — there are now edible robots. Picture this: a boat-shaped robot no longer than a paper clip, made entirely from biodegradable materials, ...

Robot-boat startup HavocAI has built 42 autonomous vessels in 18 months. And now, as the military focuses on deterring China, the company is working to finish a 100-footer by the end of the year.

Have you ever looked out at a lake, river or harbor and been taken aback by the amount of floating trash and debris? A start-up company called Clear Robotics is tackling this environmental issue in an ...