Off the coast of Japan, thousands of feet below the surface, the seafloor explodes with heat. Cracks and vents in the rocky sediment allow boiling seawater heated by subterranean magma to shoot ...

The man collected the seashell while snorkeling in Egypt's Red Sea, totally unaware that the shell was teeming with life.

Rock and Gem has announced the arrival of its newest resident: “Mary Anne,” a cast of a Plesiosaur skeleton. This ...

The green turtle is a large, weighty sea turtle with a wide, smooth carapace, or shell. It inhabits tropical and subtropical coastal waters around the world and has been observed clambering onto ...

The olive ridley turtle is named for the generally greenish color of its skin and shell, or carapace. It is closely related to the Kemp’s ridley, with the primary distinction being that olive ...

Stinging cells, produced by cnidarians such as jellyfish and anemones, are one of ocean creatures' most effective defences. This method of protection can keep almost all predators at bay - but not the ...

Ammonites were shelled cephalopods that died out about 66 million years ago. Fossils of them are found all around the world, sometimes in very large concentrations. The often tightly wound shells of ...