September 1, 2013 The plant that was badly damaged in the 2011 earthquake and tsunami was found to be leaking contaminated water last month.
August 22, 2013 Scientists are always looking for a more accurate answer to the question, "What time is it?" Now they've built the most precise atomic clock yet — but it's not just telling time. It has the potential to investigate the accuracy of the General Theory of Relativity.
August 20, 2013 The Tokyo Electric Power Company, which owns the plant, says about 80,000 gallons of contaminated water have spewed from a metal holding tank. The leak is reportedly the largest of several at the tsunami-damaged facility.
August 14, 2013 The electricity system is experiencing growing pains as the grid is beginning to rely on an increasing amount of renewable, particularly unpredictable sources of power like wind farms and solar panels. So grid operators are turning to individual customers to beef up redundancy and capacity.
August 14, 2013 Sagging power lines and computer glitches led to a power outage that left 50 million people across the Northeast U.S. and part of Canada in darkness on Aug. 14, 2003. New sensors have been installed, and operator training and computer systems have been upgraded. But is that enough to prevent another massive blackout?