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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 new ad featuring Gov. Bobby Jindal of Louisiana and former Florida Gov. Jeb Bush is part of an effort to rebrand the Republican Party — and end its reputation as "the party of no."

Hidden economic forces like job-specific segregation are keeping young minorities out of the job market.

The agency said commercial jets were banned from flying to Israel for 24 hours, after it received reports of a rocket strike close to the airport. Some international carriers also canceled flights.

The destruction of the holy site has drawn criticism from the Sunni allies of the so-called Islamic State and may cause a rift between the Sunni groups.

Toms River: A Story of Science and Salvation traces the story of a New Jersey town plagued by two generations of toxic waste dumping. Its author, Dan Fagin, talks about the origins of dumping in Toms River and its legacy today.

Mattel says its "Barbie Dolls of the World" typically come with a passport and "animal friend." It's had to respond to some criticism from this week from some who say the Barbie Mexico doll plays into stereotypes.

Alabama’s tuberculosis epidemic and what it shows us about rural healthcare in America.

U.S. Customs and Border Protection announced Tuesday the eight sample walls are now under construction in San Diego. Still, it remains unclear where the funds for the actual one will come from.

What it’s like to be a dog. We talk with animal neuroscientist Gregory Berns.