Experts view enhanced geothermal systems as a game changer in sustainable energy, harnessing Earth’s heat for a cleaner, ...

Their hopes were dashed about 15 years ago when a drilling company couldn't find enough hot water close to the surface to be profitable using traditional geothermal technology. That basically left ...

There are hopes techniques borrowed from the oil and gas industry can boost the viability of geothermal energy, as a German town gears up to be a test case.

The latest drilling breakthrough has been making headlines ... extremely hot temperatures deep underground, either accessing hot water already there or heating water that's sent downward.

Their hopes were dashed about 15 years ago when a drilling company couldn't find enough hot water close to the surface to be profitable using traditional geothermal technology. That basically left ...