Just as the world’s zoos breed critically endangered animals in captivity to repopulate the wild, scientists are building a global effort to freeze corals for reef restoration.

Not all animals retreat to their shelters in cold weather.

Surviving solely in zoos and botanic gardens are 33 animal and 39 plant species.

Historians aren’t sure exactly when the first zoo was built, but it’s clear humans have kept exotic animals for thousands of years.

Ukraine’s zoos are struggling to look after their animals, but are getting international support.

A new technique that involves vacuuming animal DNA from the air can ID nearby species. It could help map threatened and invasive species.

A fundamental change in how North American zoos and aquariums are accredited supports their animal conservation and species survival work.

A "healthy" gut microbiome may differ from one gorilla to another. The discovery could help diagnose potential health challenges for gorillas in human care.