An underground nuclear waste storage tank in Washington state that dates to World War II appears to be leaking contaminated liquid into the ground, the U.S. Department of Energy said Thursday. It's ...

SELIYAROVO, Russia -- Russian oil companies are illegally disposing of millions of tons of contaminated drilling waste, a practice that is wreaking environmental havoc by polluting northern rivers ...

The Department of Energy on Thursday said that it believes an underground nuclear waste tank in Washington state dating back to the 1940s is leaking waste produced by plutonium production. Hanford ...