Add Yahoo as a preferred source to see more of our stories on Google. Turning red-hot lava from an active volcano into electricity would be dangerous and unreliable. Volcanoes don’t erupt on ...

On the edge of one of Central America’s most active volcanoes, a small restaurant is doing something few kitchens ever attempt. At Pizza Pacaya in Guatemala, pizzas are cooked using the natural heat ...

Here’s what you’ll learn when you read this story: Geothermal energy accounts for only 0.4 percent of the U.S.’s energy output, but by using a technique known as “superhot rocks,” that number could ...