The Smithsonian’s National Zoo and Conservation Biology Institute and the Royal Commission for AlUla are launching the next phase of a global partnership to protect and restore the critically endangered...

Can sound save species? Scientist Brian Gratwicke recounts how cutting-edge recording tools helped researchers rediscover missing frog populations in Panama.

The sloth bears born Dec. 7 are growing bigger and cuter by the day! Get to know their names—plus which one is feisty and which one is serious.

Learn how keepers are connecting with the cheetah cubs at our science campus in Front Royal, Virginia.

For the first time in nearly 25 years, elephant care staff are celebrating the birth of an Asian elephant—an endangered species. 

Tracing the story of how a shy forest-dwelling snake became a powerful emblem of American resilience and self-reliance.

While the Zoo was closed, staff members captured some rare scenes of the animals experiencing the falling snow.

Scientists couldn't find the endangered black-footed ferrets they'd reintroduced. To protect them, they'd have to find out where the animals were going, and what was happening to them.