Glistening in the dry expanses of the Nevada desert is an unusual kind of power plant that harnesses energy not from the sun or wind, but from the Earth itself. The site, known as Project Red, it ...

There's a valley in rural southwest Utah that's become a hub for renewable energy. Dozens of tall white wind turbines whoosh up in the sky. A sea of solar panels glistens in the distance. But the new ...

Oil and gas isn’t the only source of energy lurking under our feet. Drill deep enough and Earth’s temperature stays consistent enough that it can be a source of heating and cooling for homes, offices, ...

Turning red-hot lava from an active volcano into electricity would be dangerous and unreliable. Volcanoes don’t erupt on predictable schedules, and lava cools too quickly. But many countries, ...