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

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

Pili was 14. The average lifespan of red pandas in captivity being around 13, veterinarians say. The red panda had lived at ...

Pili was 14 years old. Zoo officials said the panda’s health had declined significantly during the last three weeks. She was euthanized Jan. 16.

About the size of a half-dollar, the tiny painted river terrapin hatchling - a critically endangered species - at the ...

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

The zoo's partnership with Saudi Arabia's Royal Commission aims to create a conservation program similar to the zoo's ...

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.

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

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 ...

Heartwarming scene this cold winter as two baby sloth bears are born at the Smithsonian Zoo.