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

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

Biologists explain why private zoos like those in "Tiger King" are bad for big cats, what the series got wrong, and what's next for tiger conservation.

Can my cat get COVID-19? What about that tiger in the Bronx Zoo? Here, a veterinarian answers common questions about COVID-19 and pets.