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With vibrant colors and fantastic shapes, coral reefs are a breathtaking sight. These underwater structures are actua...

Find out what lives in the deep sea, coral reef, and continental shelf.

Many people have seen the beautiful spiral triton trumpet shell. Unfortunately, most people can see these brown and w...

What unique plants and animals live in this island nation's diverse habitats?
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Found along tropical coastlines, thick mangrove forests were once considered a nuisance, infested with mosquitoes and...

More than four thousand islands—including one big island—make up this nation in the Caribbean Sea.

Arctic ice is melting. Coral reefs are disappearing. Sea levels are rising. These events are part of an even bigger p...

Animals and plants are usually adapted to survive best in particular environments, known as their habitats.

Compared to the continent of Africa, Madagascar may seem small. But this island, the fourth largest in the world, is...

Many animals and plants use color to warn predators to stay away, and the blue ringed octopus is no exception. When t...

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Our oceans are full of colorful creatures. Find out how animals use color for attraction, communication, and camouflage.

Find out more about global warming. How, and why, we should slow it?

An invasive species is a living thing that moves into a new region. Species often become "invasive" as a re...

Think of giant kelp as the Godzilla of the seaweeds.

Although the rosy periwinkle stands only one foot tall, in the world of medicine it's a giant.

You might think that all mosquitoes are alike, but did you know that there are actually about 2,500 different kinds?...

Not all spiders spin webs to catch their meals. When night falls in Australia, the white-tailed spider hunts its prey...

Take a world-wide tour of biodiversity with three scientists.

Test your knowledge about the major groups of life on Earth.

Explore some of the inventive ways that help living things reproduce and their offspring survive.

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Conservation biologist Ana Luz Porzecanski answers kids' questions.
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When Paula Mikkelsen moved to Florida, she turned a fun hobby into an exciting career. She enjoyed walking along Flor...

Since he was a boy, Vladimir Ovtsharenko has been fascinated by nature. Growing up, he loved collecting spiders, beet...

Find out about Earth's climate, its consequences, and what we can do.

How do your fossil-sorting skills stack up? Put them to the test with this kid-friendly online puzzle.

Chris Raxworthy has been fascinated by all things scaly and slimy since he was a kid. Chris is a herpetologist at the...

Explore this family tree of living things on Earth.

New Caledonia, a tiny island east of Australia, is the only place where an unusual bird called the kagu is found. Abo...

This beautiful tortoise lives in the deserts of Madagascar, an island off the coast of Africa. This reptile gets its...

To try to piece together how organisms are related, scientists use cladistics.

The electric eel is long and narrow like an eel, but it is actually not an eel at all. In fact, electric eels are pro...

Tipping the scales at more than 7 pounds, the Goliath is the largest frog in the world. Just two of these frogs weigh...

The hellbender is one of the largest salamanders in North America.

The king cobra is the largest venomous snake in the world. Whether slithering on land, climbing trees, or swimming, i...

The Komodo dragon lumbers through the forest on its thick, stocky legs. It sways its head back and forth, flicking it...

The leatherback is the world's largest turtle. Unlike the bony exterior of other sea turtles, the exterior of the lea...

The mountain gorilla lives high up in the forests of east central Africa.

It's easy to see how the starfish got its name -- with their pointed arms, these creatures look like stars fallen to...

The gremlin-like, endangered aye-aye makes its home in the tropical forests of Madagascar, a large island off the coa...

The whooping crane is known as the tallest bird in North America. This long legged creature has been struggling to su...

It only seems like the world's entire ant population attends your picnics.

California condors are the largest birds in North America. Like all vultures, condors are carrion-eaters. This means...

Cassava is one tough plant because it can grow in poor and unfertile soil in most tropical environments. Cassava is a...

Dinoflagellates are tiny, one-celled organisms that live in oceans and freshwater ponds, rivers, and streams. Some di...

Giant puffballs aren't your typical mushrooms.

Most people know red and black spotted ladybird beetles as friendly insects that are fun to pick up and watch fly awa...

If you looked at the contents of a vacuum cleaner bag with a microscope, you'd probably find millions of tiny creatur...

A rotting log is a mighty tasty meal -- if you're a termite. Termites not only eat wood, some kinds live in it, too....

Based on fossils of ancient dragonflies, we know these winged insects have been soaring around for at least 300 milli...

Have you ever seen pond scum -- that thick, smelly layer of slime floating on the surface of the water? That's probab...