slideshow

A Collection of Cambrian Fossils

When you're standing in a museum surrounded by fossils, you can almost imagine...

slideshow

Under Arctic Ice

Hidden beneath Arctic ice is a world few have ever seen. Take the icy plunge with a...

Photo

Narwhal Anatomy

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The First Filter Feeder

Today, filter feeders like clams, sponges, krill, baleen whales, fishes, and many...

Photo

Amphipod Under Arctic Sea Ice

Several species of amphipod like this one, Gammarus wilkitzkii, live permanently...

Photo

Elevator Rudists

These "elevator" rudists, an ancient bivalve, used one long heavy valve to anchor...

Article

Why a Tusk? The real-life unicorns of the sea and the tusks that make them famous

In the frigid Arctic Ocean, a mysterious toothed whale—the narwhal— resides...

With Every Breath You Take, Thank the Ocean

When was the last time you thought about your breathing? Take a breath right now...