A helicopter flies low over Hanford in 2009 as it conducts a radiological survey. Courtesy DOE Helicopter flights over Hanford this month are expected to provide a detailed map of where ...

HANFORD SITE — In the spring of 1943, the U.S. government seized 586 square miles of desert in southeast Washington and ordered everyone to pack up and move within 90 days.

The Hanford Site is the most polluted area in the US, though cleanup started decades ago. Estimates say it will take decades more and up to $640 billion to finish the job. The site just received ...

Earlier this spring, a roof collapsed over a contaminated tunnel at the PUREX facility, a former chemical processing facility in the 200 East Area of the Hanford site. An emergency declaration was ...

The Hanford Site joins Los Alamos, and Oak Ridge, Tennessee to form the new national park. While Reactor B has been open to the public for tours since 2009, officials are planning for that number ...