A once-overlooked technology that taps into the Earth’s heat to generate electricity could supply up to 20% of the electricity in the United States by 2050, according to a new Princeton analysis.

Industrial geothermal energy has been used for nearly two centuries. It‘s not a new concept, but in the United States, it‘s taken a backseat to other renewable energy sources like wind and hydropower.

Nothing on the surface of this scrubby expanse of western Nevada desert, overlooked by towering, craggy mountains, gives even a hint of what lies beneath. But a few thousand feet underground is a ...

Zanskar uses AI to identify hidden geothermal systems—and claims it has found one that could fuel a power plant, the first such discovery by industry in decades. A geothermal startup said Thursday ...

Developers are using a new geothermal technology in Germany to produce clean energy. Detail of the teeth of a drill bit that will be used in the next phase of drilling. Credit...Roderick Aichinger for ...

This story was produced in partnership with the Pulitzer Center. Secretary of Energy Chris Wright on Tuesday threw his support behind a vast expansion in geothermal energy. Emerging forms of ...

An unlikely partnership between a utility company and climate activists managed to convert a community to geothermal heating and cooling. Science correspondent Miles O'Brien reports on this project ...

Work continues on Towson University’s project to integrate geothermal energy as a renewable energy source to heat and cool buildings. Since December 2024, the once-grassy space along York Road in ...

On a welcome muddy day in January — a warmish respite between polar vortexes and snowstorms — a small work crew hoisted 20-foot long steel pipes into a hole being bored hundreds of feet deep in the ...