Europe’s energy system is sitting on a vast reserve of heat that could do far more than warm homes. New analysis indicates ...

Solar panels and wind turbines have become the public face of clean energy, yet the heat beneath our feet is quietly emerging ...

Quaise Energy has been dazzling us lately with its bleeding-edge plans to tap super-deep, superheated steam as a global power source. Now, the company's reaching back over a century to adapt yesterday ...