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Though it never panned out, the sugar industry backed research to develop a vaccine to fight tooth decay, old industry documents reveal. Researchers say the goal was to deflect efforts to limit sugar.

This sea monster swam Earth's seas about 480 million years ago and was the biggest creature of its day, scientists say.

Rates of post-traumatic stress disorder are high among teens in northern Uganda, a new study shows. Counselors, teachers and parents can help. So can walking on eggs — literally.

This week, Wisconsin joined two dozen other states with laws saying workers can't be forced to join labor unions to keep a job. But as more states move to weaken unions, the unions are fighting back.

A survey found that 36 percent of U.S. public schools bought food from local farmers during two recent school years. But a slightly greater number of schools served no local food at all.

The story, first reported by The Washington Post, is the latest scandal at the presidential protective service. A spokesman said the agency is aware of the allegations, which are being investigated.

Anna J. Cooper was a remarkable student and, later, a legendary teacher and principal of the first public high school for black students.

With memories of the massive BP spill still fresh, residents are hoping to stop offshore drilling and underwater seismic testing. Industry leaders say they follow rules meant to protect wildlife.

Renee Montagne talks to Ben Van Heuvelen, managing editor of Iraq Oil Report, about how falling oil prices are affecting Iraq's fight against the self-proclaimed Islamic State, also known as ISIS.

We journey the rugged hills and windy roads of what's known as Area C. It comprises most of the Israeli-occupied West Bank — it's where Israelis and Palestinians rub shoulders as closely as anywhere.