By Nicholas K. Geranios The Associated Press SPOKANE — After 19 years of work to safeguard nuclear waste dating from the Cold War, workers at a sprawling Washington state site have managed to remove ...

The sludge left over from the production of plutonium for nuclear weapons was transferred from the single-walled tanks into modern, double-walled tanks considered much safer, the U.S. Department ...

And it is leaking. For 42 years, tank AY-102 has stored some of the deadliest material at one of the most environmentally contaminated places in the country: the Hanford Nuclear Reservation.

Employees who routinely check radiation levels at the Savannah River Site near Aiken found a wasp nest on July 3 on a post ...

The tank in question contains about 447,000 gallons of sludge, a mixture of solids and liquids with a mud-like consistency. The tank, built in the 1940s, is known to have leaked in the past, but ...

A deal to address two nuclear waste storage tanks that are leaking radioactive materials into the soil in Washington state was reached Thursday between the state and the U.S. Department of Energy.

Environmental cleanup is underway at the 580-square-mile Hanford nuclear reservation. The underground radioactive waste storage tanks and the vitrification plant are in the center of the site.

Of the 28 newer double-shelled tanks, AY-102 was already known to be leaking toxic sludge into the soil. Now a second double-shelled tank, AY-101, is believed to be leaking as well, according to a ...

There are 177 tanks with 53 million gallons of waste at the Hanford nuclear site near Richland, Wash., and 900,000 gallons in tanks at the INEEL facility near Idaho Falls, Idaho.

A deal to address two nuclear waste storage tanks that are leaking radioactive materials into the soil in Washington state was reached Thursday between the state and the U.S. Department of Energy.

The sludge left over from the production of plutonium for nuclear weapons was transferred from the old single walled tanks into modern double wall tanks that are considered much safer, the U.S ...

The sludge left over from the production of plutonium for nuclear weapons was transferred from the old single walled tanks into modern double wall tanks that are considered much safer, the U.S ...