A branch of HHS accused the USDA of "misleading" the public about its research.
The court said green groups were not able to show that carbon monoxide emissions would make global warming worse.
A federal appeals court upheld reguations issued after a trainer was killed in 2010.
Cruz says Holder is "denying Congress and defying the rule of law."
The Food and Drug Administration says stair-climbing wheelchairs aren't as risky as first thought.
Monday's edition of the Federal Register contains new rules for stair-climbing wheelchairs, seafood, safety training on offshore drilling vessels, and disaster assistance at farms.
Ambassador Samantha Power says texting kills more U.S. teen drivers than drinking.
The Senate Health Committee is forming a working group to tackle the rising rates of prescription drug abuse, as the fight wages on over a controversial painkiller the Food and Drug Administration approved last year.
GM said the problem "can allow removal of the ignition key while the engine is running."
Former Minnesota Gov. Tim Pawlenty (R) is calling on lawmakers to "shatter" the so-called "glass ceiling" that many believe prevents women from earning as much money as men in their careers.
"I'm the father of two daughters, and I want them to fully see and embrace the American dream," Pawlenty said Thursday. "So we all need to work on making sure there isn't a glass ceiling, and if there is one, we need to make sure it's busted, broken, shattered."