Photos

Kemp's ridleys are the world's smallest sea turtles and are also the most endangered.

North America’s Most Endangered Animals

Snails, marmots, condors and coral reef are among the many species on the continent that are close to extinction

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Agatha Christie on the Big and Small Screen

Even though Dame Agatha may not have enjoyed adaptations of her mysteries, audiences have been loving them for decades

Rose O'Neal Greenhow, Confederate spy

The Civil War

Women Spies of the Civil War

Hundreds of women served as spies during the Civil War. Here’s a look at six who risked their lives in daring and unexpected ways

Spider monkey (Ateles geoffroyi) hangs by tail with mouth open.

Wild Things: Spider Monkeys, Fire Ants, Hagfish and More...

Dinosaur "thunder thighs" and fast-flying moths

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Ask Smithsonian 2017

Who Had the Best Civil War Facial Hair?

Browse these portraits of officers with great facial hair courtesy of the Library of Congress and then vote for your favorite

Chuck Norris became an Internet sensation when late night host Conan O'Brien featured clips from "Walker, Texas Ranger" on his show.

Ten Unforgettable Web Memes

Cats and failures highlight this list of the memes that have gone mainstream. Which ones did we miss?

Splendid Fairy-wren (Malurus splendens splendens) calling.

Wild Things: Mongooses, Bladderworts and More...

Fairy-wrens, wasps, and a nearly 3,000 year old big toe

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Wild Things: Giant Pandas, an Ancient Ibis and More...

Panda-friendly forests, one bizarre bird and foxes on junk food

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Wild Things: Great Whites, Tree Snakes, Drongos and More

These animals redefine life as we know it

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Wild Things: Life as We Know It

Flamingos, T. rex Tails, Burmese monkeys and more...

Long-tailed Macaque

The World's Worst Invasive Mammals

Animals as common as goats, deer, rabbits or mice can have a devastating effect on other wildlife

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Wild Things: Life as We Know It

Drought crises, Florida panthers, humpback whales and more...

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Wild Things: Life as We Know It

Caterpillars, Bonobos, European Songbirds and More...

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Wild Things: Life as We Know It

Caterpillars, Frogs, Big Birds and More...

The Australian Dragonfish

Weird Creatures From the Deep

A massive census of the oceans has turned up a trove of strange marine wildlife, from jellyfish to octopuses to anemones

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Extreme Jellyfish

There are some 2,000 species of jellyfish. Some are tasty, others will kill you with the tap of a tentacle. Here are nine varieties that really stand out

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Five Species Likely to Become Extinct in the Next 40 Years

Experts estimate that one-eighth of all bird species, one-fifth of mammal species and one-third of amphibian species are at risk

Common Thresher Shark

Wild Things: Life as We Know It

Cobras, sharks, lemurs, hermit crabs and more...

Shanghai’s European Suburbs

Chinese urban planners are building new towns with a foreign flair, each mimicking architecture from Europe’s storied cities

Northern quolls, cat-size Australian marsupials

Wild Things: Life as We Know It

Hummingbirds, birch trees, queen bees, northern quolls and more...

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