Rice's whales are one of the world's newly discovered whale species – and already one of the most endangered. Protections for the whales in the Gulf of Mexico are not coming fast.

More than half of the counties in the nation's so-called Diabetes Belt also have high rates of medical debt among their residents, an NPR analysis found.

More than 1,000 people have now been charged for the U.S. Capitol riot on Jan. 6, 2021. NPR has tracked every case from arrest to sentencing. Here's what is happening to those charged.

Firefighters are often "woefully under-equipped" to handle train accidents that emit hazardous materials. Most of those serious enough to cause evacuations happened near small towns.

An NPR investigation found that since the Capitol riot, the election denial movement has moved from the national level to hundreds of grassroots events across the country. Here are four key takeaways.

Even as the Jan. 6 hearings play out, election misinformation keeps spreading. NPR tracked four leaders preaching false information about election fraud at hundreds of grassroots events nationwide.