Christmastime is full of joy, sure, but also full of bittersweetness from nostalgia and loss. NPR's Scott Simon details a holiday encounter in his kitchen with a wise man in a red suit.

The U.S. will shift some of the burden of defense to its allies, and it will equip them for it. One ally's equipment: nuclear submarines for South Korea.

Technology enabling virtual fences for pets is now being adapted for livestock. Ranchers near Yellowstone National Park are testing its ability to keep cows safe from grizzly bear attacks.

A new study of more than 160,000 teens finds that even occasional cannabis use among 8th, 10th and 12th graders is tied to worse outcomes at school and more emotional distress.

Demand for memory chips currently exceeds supply and there's very little chance of that changing any time soon. More chips for AI means less available for other products such as computers and phones ...

An American journalist wounded in an Israeli tank strike in Lebanon returns home to press the U.S. government to investigate the incident, which killed a Reuters reporter, as a targeted attack.

Cuts to scientific research focused disproportionately on research around diversity equity and inclusion. Some researchers say we're just beginning to understand the impact.

Crime rates in the U.S. fell in 2025. Murders in particular fell dramatically. That is a major takeaway among criminal justice experts as we approach the year's end.