Scientists have found ancient nail tooth shark fossils deep inside Mammoth Cave in Kentucky, revealing new information about ...

Biologist Katharine Edmonson asked the young boy who approached her table if he wanted to hold the tiger skull in his hands.

In the arid mountains of northern Oman, rocky caves hold pools of water. Naturalists were exploring these subterranean lakes in the Al-Hoota cave in 1980 when they discovered a white, eyeless fish. It ...

Divers, underwater submersibles and remotely operated vehicles found 886 marine species over a 16-month period, and they have ...