A dispute over how to divvy up the pot in an interrupted game of chance led early mathematicians to invent modern risk ...

Every weekday, NPR's best political reporters are there to explain the big news coming out of Washington and the campaign trail. They don't just tell you what happened. They tell you why it matters.

The rise of AI has brought an avalanche of new terms and slang. Here is a glossary with definitions of some of the most ...