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Backbone of Biodiversity at Risk

The International Union for the Conservation of Nature (IUCN) maintains the...

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Washed Ashore: From Beach Trash to Ocean Art

From a distance, Henry the Fish looks like a typical quirky and colorful sculpture...

Photo

Shortfin Mako Shark

The shortfin mako shark (Isurus oxyrinchus) is found offshore in tropical and warm...

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Tiger Shark

Three bar jacks and a female tiger shark, nearly 4-meters long, swim off the coast...

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Hammerhead Shark at Sunset

A male great hammerhead shark swims in the Bahamas at sunset. Scientists...

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Young Lemon Shark Swims Through Mangroves

A lemon shark pup swims through a shallow mangrove forest off the coast of...

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Oceanic Whitetip Shark

An oceanic whitetip shark swims near a biologist in the Bahamas in this image...

Personal Perspectives

The Big Five of the Ocean: Exploring the Waters of East Africa

When we think "Africa," we think of the "Big Five"—lions, elephants, leopards,...

Article

Tagging and Tracking Animals Underwater

How do we know where ocean animals swim day and night? Scientists are getting...

Article

The Oil Spill, Two Years Later

Two years ago last week, on April 20, 2010, an explosion on the oil-drilling rig...

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Image Gallery: The Perfect Underwater Photo

For nearly 35 years, National Geographic photojournalist Brian Skerry has been...

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Image Gallery: Swimming with Sharks

For nearly 30 years, National Geographic photojournalist Brian Skerry has been...