Everyone has a set of genes that keeps the body on a 24-hour rhythm. As we get older, though, the main clock can malfunction. Researchers say a backup clock may try to compensate.
Local police and emergency services in the U.S. have been preparing for a new reality: a strategic attack by terrorists who use diversionary tactics to maximize chaos and death.
In an NPR interview, Prime Minister Haider al-Abadi also calls on the U.S. to focus more firepower on Iraq's western border with Syria, saying Islamic State fighters can enter his country too easily.
For three decades, men who have sex with men were barred from ever donating blood. A new policy will allow gay and bisexual men to donate, but only if they've been celibate for at least a year.
Now that recreational use of marijuana is legal in four states, law enforcement officials are looking for quicker ways to test drivers for excessive pot use. Entrepreneurs are taking on the challenge.
He's a political spouse like no other, who has so far been confined to cameos. That will change in January, though one analyst says the best thing he can do is "stay out of the way."
The holidays can be difficult for families dealing with Alzhiemer's, especially if the person with the disease is the one who used to be the heart and soul of Christmas.
In an interview with NPR, President Obama forcefully defended his strategy against ISIS and encouraged Americans to "keep things in perspective."
When Western Kentucky takes on South Florida in the Miami Beach Bowl, they'll be led by the country's top-ranked quarterback two years running, and he's as concerned about his soul as he is about TDs.
A Muslim man posted a now-viral picture of himself praying at a Mormon church. He and the friend who extended the invitation share how they are bridging religious boundaries during this divisive time.