It is possible to make a material emit more radiation than it absorbs, violating the laws of physics in a way that could make ...

Researchers in Australia are working on a way to lower the cost of producing solar thermal energy by as much as 40% with the help of shatterproof rear-view mirrors originally designed for cars.

Heating and cooling heavily relies on planet-warming fossil fuels. But some energy companies are looking to an unlimited thermal energy source below their feet as a clean alternative.