Japan’s Meteorological Agency says a magnitude 6.6 earthquake struck the central, mountainous part of the country hours after a massive quake hit off the country’s northeastern coast.

President Barack Obama moved Friday to counter Republican criticism that he hasn’t taken steps to respond to rising oil prices, saying he supports more domestic oil production, and calling on oil…

New technology that can turn waste heat into energy is about to be tested in very real world conditions. In separate field tests for the US Air Force and the US Army, Alphabet Energy will test their…