National

Oil is big business in Oklahoma, and the industry has been a boon for many cities here. But there are concerns that techniques used for extracting oil are behind a surge in temblors in the state.

A number of parents have made news in recent months for letting children walk or play outside on their own. But laws on when kids are allowed to be by themselves are vague.

Humiliation, fear and unpredictability all turn up the volume on pain, research shows. And meditation can turn down pain's intensity, according to scientists who are starting to figure out why.

Preventing homegrown terrorism is the focus of meetings at the White House this week. Experts say more than 20,000 foreign fighters have traveled to Syria to sign up with the so-called Islamic State.

Is the FDA being sexist or appropriately cautious in requiring stringent evidence that the latest pill works and is safe? Women's advocacy groups aren't sure.

It's the last day on the job for Rajiv Shah, who at age 36 became the youngest-ever head of USAID. A key figure in the U.S. Ebola response, Shah has his critics, but he's proud of his record.

Drone enthusiasts are generally pleased with the long-awaited regulations proposed by the Federal Aviation Administration on Sunday. They had feared the government would make them go to flight school.