An incompatible combination of nitrate salts and organic cat litter is to blame for a mishap that forced the closure of the nation's only underground nuclear waste repository, according to findings released Thursday by an independent team of experts from national laboratories around the country.
Authorities in Colorado are investigating whether marijuana candy played a role in the suspected suicide of a 22-year-old Oklahoma man.
Northern California investigators say they were suspicious when a man took hours to report that strangers broke into his home and abducted his girlfriend for an $8,500 ransom but had to take it seriously for the two days she was missing.
Police arrested two suspects Thursday in the gang rape of an elderly nun in a Catholic missionary school this month in a crime that focused attention on the scourge of sexual violence in India despite tough anti-rape laws introduced two years ago.
After an outcry over an artist's depiction of two black children with no facial features except bright red lips, organizers of a Louisiana strawberry festival have agreed not to show or sell this year's festival poster, which the local NAACP president called racially offensive.
The Russian astronaut heading off for a year in space says he'll miss the natural landscapes on Earth. His American counterpart jokes he won't miss his twin brother.
Former U.S. Rep. Jesse Jackson Jr. was released from an Alabama federal prison early Thursday, two years after pleading guilty to spending $750,000 in campaign money on personal items, his father said.
The first batch of severe weather in this year's tornado season devastated an Oklahoma mobile home park, as storms across the area damaged buildings, tore off roofs and left debris strewn across roads. One person was killed and several were injured.
The Army sergeant who abandoned his post in Afghanistan and was held captive by the Taliban could face up to life in prison if convicted of both the charges he's facing, military officials said Wednesday.
A former University of Oklahoma fraternity member caught on video leading a racist chant says he's deeply sorry for his role in the incident and "upset and embarrassed" that he failed to stop it.
Edible marijuana sold in Colorado must look different from regular foods, lawmakers from both parties said Wednesday in rejecting a bill to loosen requirements.
Texas prison officials have acquired a small supply of pentobarbital to replenish their dwindling inventory of the execution drug so lethal injections set for next month in the nation's most active death penalty state can be carried out, the Texas Department of Criminal Justice said Wednesday.
A pastor leading a protest Wednesday outside a Detroit-area police department threatened to shut down the city until white officers are fired for the bloody arrest of a black man who was pulled from his car and repeatedly punched in the head.
The last communication from a doomed German jetliner was routine. The mangled black box has yielded sounds and voices, the lead investigator said Wednesday, but so far not the "slightest explanation" why the plane plunged into an Alpine mountainside, killing all 150 on board.