Three Hanford Nuclear Reservation contractors announced a restructuring plan that could result in up to 450 layoffs.
A nuclear safety manager at the Hanford Nuclear Reservation has filed a new complaint alleging she has suffered retaliation since filing her original complaint in 2011.
The U.S. Department of Energy says just one of the older single-walled storage tanks at the Hanford Nuclear Reservation appears to be actively leaking.
Hanford workers have completed the removal of radioactive waste from another of the site's single-walled storage tanks.
Workers at the nation's most contaminated nuclear site could start receiving furlough notices Wednesday because of the partial government shutdown.
The U.S. Department of Energy is proposing more delays in the cleanup of the Hanford Nuclear Reservation, the nation's most polluted nuclear site, the agency said Wednesday.
Design changes at a new radioactive waste disposal plant at the country's most contaminated nuclear site in south-central Washington were not properly verified to ensure safety, the U.S. Department of Energy's Inspector General concluded in a report issued Thursday.
Six Hanford employees contracted under Washington River Protection Solutions were taken to the hospital Wednesday morning.
Government regulators and watchdog groups want more information about a new Department of Energy proposal to speed cleanup of the Hanford Nuclear Reservation, the nation's most polluted nuclear site.
The Department of Energy released its framework on Hanford cleanup.
A Department of Energy contractor says five drums holding low-level radioactive waste fell off a flatbed truck in the center of Hanford Monday but no contaminated material was released.
Hanford officials say unusual radiation readings that led them to declare an emergency operations alert last month came from old contamination.
Two Hanford workers were sent to a hospital Thursday morning as a precaution after developing respiratory symptoms that might be linked to chemical vapors from underground waste tanks.
An alert at Hanford sent four workers to the hospital. Radiation was detected while moving waste. This led to a rare emergency operations alert.
An emergency operations alert was activated at Hanford overnight after radiation was detected during a transfer from a waste tank.