About the size of a half-dollar, the baby painted river terrapin — a critically endangered species — at the Smithsonian’s ...

President Grover Cleveland officially signed an act of Congress into law creating the National Zoological Park in 1889 for ...

For the Smithsonian National Zoo and Conservation Biology Institute (NZCBI), Christmas came early in 2025. Zookeepers were ...

For the first time since 2014, keepers at the Smithsonian’s National Zoo and Conservation Biology Institute (NZCBI) have welcomed two sloth bear cubs. The cubs were born Dec. 7 at approximately 2:30 ...

Two sloth bear cubs were born at the Smithsonian’s National Zoo and Conservation Biology Institute (NZCBI) on December ...

The Smithsonian's National Zoo in Washington, D.C., has welcomed two sloth bear cubs, marking the first time the zoo has had ...

The Smithsonian’s National Zoo and Conservation Biology Institute (NZCBI) announced Jan. 6 that two sloth bear cubs were born ...

Talk about ending the year on a high note.The Smithsonian’s National Zoo closed out 2025 with a rare double dose of good news, welcoming two sloth bear cubs for the first time in more than a ...

The Smithsonian’s National Zoo and Conservation Biology Institute is home to more than 2,200 animals. We followed zookeepers to see what it takes to feed them.

The first Monday of 2026 is already shaping up to be one heck of an example of its species, but instead of trudging your way into the day, might I recommen ...

WASHINGTON — If you cross a bear with a sloth, what would you get? A sloth bear. And the Smithsonian’s National Zoo and Conservation Biology Institute Zoo welcomed two sloth bear cubs that were born ...

The National Zoo has welcomed two newborn sloth bear cubs. The cubs are healthy and will remain off exhibit until spring 2026. Sloth bears are vulnerable in the wild, making the births important for ...