"The U.S. Department of Agriculture’s Food Safety and Inspection Service (FSIS) finalized a new rule Monday that will require all producers of raw ground beef to keep records of where the meat has come from."

"Jim Delmore came to the lab he ran at the Idaho National Laboratory on Nov. 13, 1972, to find it roped off from entry because of a plutonium contamination."

"The Environmental Protection Agency engaged in 'covert propaganda' and violated federal law when it blitzed social media to urge the public to back an Obama administration rule intended to better protect the nation’s streams and surface waters, congressional auditors have concluded."

"In the U.S., even chicken that has passed all federal food safety requirements still can make people sick."

'Irradiated,' a special report published today by McClatchy, offers an unprecedented look at the costs of war and the risks of a strong defense, using federal records to chronicle the deaths of at least 33,480 nuclear workers who helped the U.S. win World War II and the Cold War."

"Food companies are mounting an aggressive year-end push to head off mandatory labeling of genetically modified foods."

"With their work in the crosshairs of a political ideology, climate scientists find themselves under attack via the Internet."

"Byron Vaigneur watched as a brownish sludge containing plutonium broke through the wall of his office on Oct. 3, 1975, and began puddling four feet from his desk at the Savannah River nuclear weapons plant in South Carolina."

"Both chambers of Congress are expected to pass a continuing resolution [Friday] to ward off a government shutdown as negotiations over an omnibus spending measure and tax extenders package continue."

"U.S. sales of medically important antibiotics approved for use in livestock rose by 23 percent between 2009 and 2014, federal regulators said on Thursday, fueling concerns about risks to humans from antibiotic-resistant bacteria."