The Aalborg Zoo in Denmark said it would take certain surplus pets to be "gently euthanized" and fed to its captive predators ...

Summer for thousands of people in Ann Arbor means scavenging for hidden codes around the city and reading books to collect points. It's been a triumph for the public library that runs it.

More than 500 former officials who once led Israel's military and security agencies are asking President Trump to help stop the war in Gaza. NPR's Ailsa Chang speaks with one of them.

We speak with James Larkin, the head of a project in South Africa that's experimenting with using radiation to prevent rhino poaching. They sedate the animals and inject radiation into their horns.

On Sunday, Texas Democrats fled the state to avoid giving Republicans a quorum for a special session. We speak with Texas Republican Tom Oliverson about what's next in the state's redistricting fight.

Most of us have heard you need 10,000 steps a day to stave off health problems, but new research is finding that number is not necessary -- though more is always better.

Smoke from Canadian wildfires continues to bring poor air quality into the Northeast U.S. and the Upper Midwest. And the exposure to wildfire smoke remains a growing health problem.