Samson remains the Zoo’s most famous resident and an imposing icon 75 years after arriving in Milwaukee. Our understanding of ...

A powerful gorilla pauses to eat, its eyes reflecting quiet intelligence and emotion in the stillness of the wild.

A probe of a conservation facility run by the son of billionaire Mukesh Ambani — and inaugurated by Indian Prime Minister Narendra Modi — has raised questions about how rare animals were imported.

Living outside their natural Chinese habitat can disturb giant pandas’ internal rhythms, a finding that could lead to better ...