About 15 miles off the Norwegian coast, five turbines are spinning in water roughly 260 to 300 meters deep. They are bolted ...

Be prepared for unexpected power failures and off-the-grid camping trips.

A stream of compressed air does not look like a power source. In factories, it usually hisses through pipes, drives tools, then disappears as waste. But under the right conditions, that same airflow ...

In fact, the turbines were able to reach an efficiency of 53%, which is just shy of Betz's Law, a theorem that says no wind turbine would be able to convert more than about 59.3% of wind energy into ...

For the first time ever, wind and solar power generated more electricity than natural gas last month, says a new report. Cheap solar from China is fueling the rise of renewable energy around the world ...

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 ...