Male lion in Bouba Ndjida National Park, Cameroon, is one of a dwindling number of the big cats in West and Central Africa, where humans are encroaching on their habitat—and that of their prey.
Reef-building sponges are giving up their long-held secrets.
The flexible neck of the Amazon River dolphin let it hunt masterfully in the muddy shallows of the Amazon Basin.
Forensic anthropologists do facial reconstruction from remains of two crewmen found on the USS Monitor
The evolution of disgust