a megamouth shark swims with a diver in the background — The Massive Filter Feeding Shark You Ought to Know

Eugenie Clark collecting specimens on a dive. — Eugenie Clark - The Shark Lady

Two nurse sharks hover over a baited cage — Saving sharks with an underwater photoshoot

Quicklinks

A hammerhead shark swims just underneath the surface of the water.

Sharks

Two whales swimming

Whales

Two penguins on a rocky shore.

Penguins

an ancient ocean seascape

Ocean Through Time

A colorful coral reef in blue ocean water.

Corals

a sea turtle

Sea Turtles

An iridescent jellyfish underwater.

Jellyfish & Comb Jellies

A satellite image of a hurricane.

Hurricanes Typhoons & Cyclones

Featured Content

a large salmon colored orb with tiny fluorescent green and blue orbs covering it

A Bacterium's Super Powers

by Danielle Hall

The ultra-black Pacific blackdragon forms a circular shape with its body.

Scientists Find First Ultra-Black Color in Deep-Sea Fishes

by Margaret Osborne

A mosaic of photos from underwater live stream cameras.

Get Your Ocean Fix From Home

by Hannah Knighton

Explore Map

Daily Catch

A puffin with a mouthful of fish.

Quite the Mouthful!

An Atlantic puffin (Fratercula arctica) carries many sandlances (Ammodytidae) in its mouth to take back to its hungry chick.

Around the Web

Dirty, Crevassed Glaciers in Alaska

Ocean Leadership

History and Seaports in Charleston

Ocean Leadership

Dry Season Fires in Australia

Ocean Leadership

The Eastern Caribbean Is Swamped by a Surge of Seaweed

Ocean Leadership

Roving Exhibit Highlights Ocean Plastics Problem

Ocean Leadership

Are You An Educator?

At Smithsonian Ocean, we have lesson plans, activities, and resources to help you engage your students in the wonders of our oceans.

See Lesson Plans