A new discovery in Egypt's Great Pyramid of Giza suggests the structure was not just a pharaoh's final resting place, but also a giant power plant. Scientists blasted the 4,600-year-old structure ...

Our energy pyramid, according to the U.S. Energy Information Administration (EIA), would look like this: petroleum (oil), making up 36 percent of our energy supply, would be like the whole grains; ...

French researchers have uncovered secrets of Egypt’s pyramid construction, pointing to the use of hydraulic techniques.

In 2006, electric utility Minnesota Power published the Pyramid of Energy Conservation, which recommended the order of what you should do when making a plan to upgrade your home for energy efficiency.

The mountain is now part of a controversial pyramid park founded by Semir Osmanagic, a 60-year-old self-styled explorer who "discovered" the site just outside of Sarajevo in 2005.