When he needed to provoke emotional highs in research subjects, Duke neuroscientist Kevin LaBar turned to what else: a Duke/UNC basketball game.

Shuttle Endeavour arrived to a warm welcome at the International Space Station early Wednesday, delivering a new room and observation deck that will come close to completing construction 200 miles above Earth.

Don't say "mental retardation" - the new term is "intellectual disability." No more diagnoses of Asperger's syndrome - call it a mild version of autism instead. And while "behavioral addictions" will be new to doctors' dictionaries, "Internet addiction" didn't make the cut.

Gallbladder surgery is usually a very safe operation, but a powerful congressman's death is a reminder of the known risks.

A Massachusetts woman was convicted of second-degree murder Tuesday in the fatal prescription drug overdose of her 4-year-old daughter.

Some North Carolina dentists hope to create a new kind of mid-level dental worker as a way of expanding care to people in poor and rural areas of the state. But the effort faces a long and arduous road.

Just over two years ago, Rajendra Pachauri seemed destined for a scientist's version of sainthood: A bearded vegetarian economist-engineer who leads the United Nations' climate change panel, he accepted the 2007 Nobel Peace Prize on behalf of the panel, sharing the honor with former Vice President Al Gore.