Look up in the sky, it's a bird, it's a plane, it's ... a 20,000 cubic-meter power-generating airship, floating 6,560 ft (2,000 meters) above the ground. Introducing the S2000 stratospheric airborne ...

More than 100 planned wind farms in 21 states are now stalled indefinitely as the Pentagon delays military reviews once seen as routine.

Half of the turbines at Vineyard Wind are generating electricity off Massachusetts, delivering a boost to the offshore wind industry as it struggles to navigate withering attacks by President Donald ...

A nuclear submarine veteran turned a truck axle into a turbine ...