zoo

For African elephants in zoos, obesity is likely contributing to infertility. To combat problem, one group of researchers is looking for a better way to measure body fat on the huge animals.

Chances are you've tried to hide a runny nose and cough when you're sick at the office or around family members, and a new study finds animals do something similar.

Captive gorillas display fewer stress-related behaviors in response to rainforest sounds.

Zoos and aquariums are hubs for inspiring the public to support wildlife conservation.

Does conservation demand that a zoo kill healthy lions?

Blackie, the oldest Nile hippopotamus in North America, has died at age 59 at the Cleveland Metroparks Zoo.

What we don't know is shaped by what we do.

Beloved by New Yorkers, she was the subject of 2 books.

Rare birds called maleos have a strange way of incubating their eggs and three of them just hatched at the Bronx Zoo.