The U.S. military says its airstrikes have been effective in disrupting the Khorasan Group and Islamic State militants.
A former nuclear engineer has been convicted of murder for poisoning his wife with nicotine in Southern California in 1994.
Pellet guns have been pulled from shelves at a Walmart store where a 22-year-old man holding an air rifle was fatally shot by police.
A high school student was injured and one person was being sought after a shooting at a high school in southern Louisville.
The Centers for Disease Control and Prevention has confirmed the first patient to carry Ebola has been diagnosed at a hospital in Dallas.
The National Weather Service can now give better, faster and more pinpointed severe weather forecasts because of new computer simulations.
Gov. Jerry Brown has signed legislation imposing the nation's first statewide ban on single-use plastic bags.
Authorities say Olympic swimmer Michael Phelps has been arrested on a DUI charge in Maryland.
Secret Service Director Julia Pierson acknowledged on Tuesday the agency fell short in executing its plan to protect the White House.
Cleveland County prosecutor Greg Mashburn announced the charges Tuesday against 30-year-old Alton Nolen