Ever since the days of the Greeks, people have tried to prove that thriving civilizations once existed on huge islands that have since sunk beneath the sea.
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