Heat energy from the Sun is absorbed by everything on Earth, including us. While light energy from the sun makes things visible (if you've got your eyes open). People have invented ways to ...

These underground reservoirs of steam and hot water can be tapped to generate electricity or to heat and cool buildings directly. 4 min read Geothermal energy has been used for thousands of years ...

But all that is about to change, as the family joins a small-yet-growing group who are tapping into a network of underground energy to heat and cool their homes. Massachusetts, like the rest of ...