The radioactive material could be absorbed by plants and eventually endanger the rest of the food chain. Study makes discovery near birthplace of atomic bomb: 'One of the most shocking things' first ...

Dressed in a lightweight, protective zipper-suit designed to keep dirt, insects and contaminants off his body, Dr. Michael Ketterer, a chemist, slowly lowered himself into an empty, abandoned water ...

On Aug. 9, 1945, 6-year-old Chiyoko Motomura was playing on a veranda at her family’s Nagasaki, Japan, home. Her mother, aunt and grandfather were weeding the rice fields while her grandmother was ...

State environmental regulators will also fine the Energy Department up to $16 million for exceeding safe groundwater standards near the nuclear lab ...