<p>Orange cup coral clusters on a pier piling on Bonaire Island in the West Indies. About 80 percent of all life on Earth is found in the oceans, which cover 71 percent of the planet's surface.</p>

Orange Cup Coral

Orange cup coral clusters on a pier piling on Bonaire Island in the West Indies. About 80 percent of all life on Earth is found in the oceans, which cover 71 percent of the planet's surface.

Photograph by Paul A. Sutherland

Coral Reefs

Discover one of the most beautiful—and threatened—habitats on Earth.

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