Japan's radioactive water is about to reach North American shores

The Tōhoku earthquake and tsunami may have struck three years ago, but radioactive water from Japan's beleaguered Fukushima nuclear power plant is now being detected near Canada's West Coast. Scientists will be monitoring North American shores for the next two months, but projections point to good news. » 2/25/14 9:00am 2/25/14 9:00am

Scientists find radioactive fracking waste in Pennsylvanian stream

A group of Duke University scientists have found concentrations of radium, a highly radioactive substance, in a stream near a facility that treats wastewater left over from hydraulic fracturing. The concentrations are 200 times higher than background levels — and they're in the water supply. » 10/03/13 2:43pm 10/03/13 2:43pm