And what to do when the windsock indicates dead calm.

French company Vela is building a first-of-its-kind trimaran which will criss-cross the Atlantic from early 2027.

A fleet of wind-propelled robot boats could act as a sensor network covering a wide area and relay acoustic signals to a submarine ...

Ocean waves are a vast and steady source of renewable energy, but capturing their power efficiently has long frustrated engineers. A researcher at The University of Osaka has now explored a bold new ...