By Stephen Battersby for the Proceedings of the National Academy of Sciences. Broadcast version by Suzanne Potter for ...

Add Yahoo as a preferred source to see more of our stories on Google. In the early 2000s, the owners of the Mammoth Pacific geothermal station proposed expanding the plant into an area just east of ...

When I arrived in Reykjavík, Iceland, last March, a gravel barrier, almost thirty feet at its highest point, had been constructed to keep lava from the Reykjanes volcano from inundating a major ...

As energy use rises and the planet warms, you might have dreamed of an energy source that works 24/7, rain or shine, quietly powering homes, industries and even entire cities without the ups and downs ...