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Plenty of primates laugh, but only humans fake it. So what are we getting out of that phony chuckle? Perhaps an unfair advantage at work and in social situations, researchers say.

A family's story of how their cat ran off a dog that had attacked their young son is making waves far beyond Bakersfield, Calif., as the incident was captured in a dramatic video.

More than a half-dozen wildfires are burning in the Southern California county. Thousands of residents have been evacuated. Renee Montagne speaks with reporter Erik Anderson of member station KPBS.

Ras Baraka was elected mayor of New Jersey's largest city after criticizing the charter schools and corporate interests that thrived when Booker, the high-profile mayor turned senator, had the job.

Grammy-nominated singer Ledisi pulls no punches when talking about a failed relationship. She says it even became the inspiration of her latest album.

Not so long ago, Dr. Sampson Davis found himself in detention for a crime that could have sent his life in a completely different direction. He shares how his big break turned things around.

Recently released Medicare data show that 1,800 doctors and other health providers nearly always charge Medicare the highest rate for patient care. Experts challenge the legitimacy of the charges.

The accident that has claimed hundreds of lives appears to have causes that are all too familiar to mining experts in the U.S. and around the world.

Vietnamese mobs are destroying foreign-owned property and hunting down Chinese nationals in an angry response to Beijing's push to place an oil rig in disputed Southeast Asian waters.

Homeownership rates are depressed for people under 35. Economists say nearly 3 million more young adults are living with their parents, compared with 2007.