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Trained dogs are increasingly being used to help people with diabetes detect hypoglycemia. One study finds the dogs can indeed do that, but aren't as reliable as a continuous glucose monitor.

After the head of the U.S. Olympic Committee issued a formal apology to Rio and Brazil over the U.S. swimmers' behavior, star athlete Ryan Lochte broke his silence over a debunked robbery claim.

John Carlos won the bronze for the 200 meter run in the 1968 Olympics. He's remembered for a political gesture he made. Renee Montagne talks to him about whether athletes can influence public opinion.

As much as he would have liked it to be, Ohio Gov. John Kasich's name will not be on the presidential ballot this year. The name of Donald Trump, of...

How fast can you vaccinate a goat? That's one of the challenges in "Female Food Heroes," a contest in Tanzania, Nigeria and Ethiopia.

Some of the girls and women abducted by Boko Haram have escaped or been rescued. But freedom does not mean an end to their ordeal.

Defending his 1994 crime bill to a protester, Clinton said: "You are defending the people who kill the lives you say matter."

Islamic State fighters from neighboring Libya stormed into a Tunisian border town this month. The Tunisian security forces beat ISIS back — this time. But the Tunisians fear more attacks are coming.

In the developing world, women who want to space pregnancies can't always obtain birth control. A new insertion device for an IUD, post-childbirth, is being tested with promising results.

Tesla is building what it says is the world's largest battery factory. The scale is expected to drive down the cost of electric cars and batteries that homeowners can use to store surplus solar power.