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Tiny Ciliate

This Blepharisma japonicum is a single-celled protist called a ciliate, a...

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Cyanobacteria

This blue-green microbe called a cyanobacterium was likely the first photosynthetic...

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Form Equals Function for Ancient Sea Lizards and Modern Whales

In the ocean there once lived a creature built for predatory prowess. It had teeth...

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Ancient Turtle

The first fully marine turtles emerged during the Cretaceous Period, a span of time...

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An Ancient Turtle

Eunotosaurus, a reptile who lived about 260 million years ago during the Permian...

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One Large Turtle: Protostega gigas

This Protostega gigas is a species of extinct sea turtle from 85 million years ago....

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Cold and Stunned

Leah Desrochers, an employee of the Massachusetts Audubon Society, holds a stranded...

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Eye of the Turtle

A closeup of a hawksbill turtle eye. ...

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A Green Sea Turtle

Sea turtles are adapted for a life at sea. Their streamline shell and flippers make...

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Weight of the World

In Hindu mythology, the earth is supported by four elephants standing on the back...

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Baby Turtles

Temperature determines the sex of a baby turtle as it grows in the egg. Rising...

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Loggerhead Turtle

A loggerhead turtle is one of the seven sea turtle species. ...