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 ...

Citing threats to the New England economy and power reliability risks, the region's grid operator says it would like to see national security concerns about offshore wind power — "if there are any" — ...