The signs released by the U.S. Army Corps of Engineers warn of "low-level radioactive materials present" near Coldwater Creek in St. Louis. Federal officials plan to post warning signs along a ...

Nuclear waste. We've all heard about it, but what is it? Is it a problem without a solution? How big is the problem? And what exactly is this waste and why is it so important? New Atlas takes a look ...

Nuclear waste has become a kind of cultural shorthand for everything people fear about atomic power, from glowing green sludge to warnings that we are burdening distant descendants with our mistakes.

Sweden's radioactive nuclear waste will be stored in a sealed bedrock repository for 100,000 years. It will be hazardous for a very long time. So how can we ensure that humanity does not forget that ...

Twenty-three years and 70 days after workers began pouring concrete to build the Hanford Waste Treatment Plant, the plant has turned radioactive and hazardous chemical waste into a stable glass form ...