The "ice battery" system freezes water at night when the cost of electricity is low. Then, during the day, when the price is ...

Under specific conditions, lasers can also cool things down, and that might be JUST what we need to tackle way-too-toasty data centers. Sandia Labs, a federally funded US energy and defense tech ...

Add keeping cool this summer to the list of things costing more. According to new energy projections, look out for a nearly 8-percent increase across the country, or about $719 more to cool a home.

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 ...