Wildlife

The invasive Spanish slug, one of the worst alien pests in Europe, is naturally repelled by ecosystems if soils house a healthy population of earthworms, new research suggests.

Earthworms in Your Garden May Help Prevent Invasive Slugs from Devouring Plants

In the lab, the presence of earthworms can reduce the number of leaves damaged by slugs by 60 percent, a new study finds

A group of critically endangered California condors near Zion National Park, Utah.

Why the Endangered Species Act Is Broken, and How to Fix It

On the landmark species-saving law’s 40th anniversary, environmental historian Peter Alagona explains why it doesn’t work and offers a path toward recovery

The shelled sea butterfly Hyalocylis striata can be found in the warm surface waters of the ocean around the world.

Amazing Sea Butterflies Are the Ocean’s Canary in the Coal Mine

These delicate and stunning creatures are offering Smithsonian scientists a warning sign for the world's waters turning more acidic

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Solving an Alligator Mystery May Help Humans Regrow Lost Teeth

A gator can replace all of its teeth up to 50 times--learning what triggers these new teeth to grow may someday keep us from needing dentures

Periodical cicadas, like the one pictured above, have missed a lot of news about insects since they last appeared.

Leaproaches, Mutant Butterflies and Other Insect News That the 17-Year Cicadas Missed

Since 1996, scientists have found the oldest fossil insect, the largest living bug, a new taxonomic order and more

Helpless babe or capable professional navigator?

Baby Weddell Seals Have the Most Adult-Like Brains in the Animal Kingdom

The newborn seal pups possess the most well-developed brains compared to other mammals, but that advantage comes with a cost

The National Zoo's two giant pandas don't know how to mate with each other. But thanks to artificial insemination Mei Xiang (L) and Tian Tian (R) have produced two cubs, and a third may be on the way. Photo courtesy of the National Zoo

How Does Science Help Pandas Make More Panda Babies?

A behind-the-scenes look at the ways the National Zoo assists Washington's most famous sexually frustrated bear couple

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PHOTOS Baby’s First Romp: Andean Cubs Play in the Rain

With their new yard baby-proofed, the two cubs took the outside for a day in the rain before their public debut Saturday

Bozie will go into quarantine for a minimum of 30 days upon her arrival at the National Zoo, per standard procedure. An expert team of elephant keepers, nutritionists and veterinarians will care for her. Following quarantine, Zoo staff will begin the process of introducing her to females Ambika and Shanthi and male Kandula.

Breaking News: Bozie the Elephant to Join National Zoo

A new Asian Elephant will soon arrive at the National Zoo, on loan from the Baton Rogue Zoo

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UPDATE: Sloth Bear Cub Has a New Name

The National Zoo's sloth bear cub is now called Hank

Canyon walls tower above river rafters in the cathedralesque Grand Canyon. Traveling by raft may be the most enjoyable and easiest way to explore the Colorado River, one of the most threatened rivers.

Exploring the World’s Most Imperiled Rivers

Agriculture, pollution and hydroelectric development threaten many great rivers. See them while they still flow, via raft, kayak, canoe—or bicycle

How many unborn brothers and sisters did this sand tiger shark devour to be here today?

Baby Sand Tiger Sharks Devour Their Siblings While Still in the Womb

This seemingly horrific reproduction strategy may be a way for females to better control which males sire her offspring

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Saving the Cao Vit Gibbon, the Second Rarest Ape in the World

Setting aside additional protected areas and creating forest corridors could help this Asian primate bounce back from just 110 individuals

Emperor penguins swimming

14 Fun Facts About Penguins

Which penguin swims the fastest? Do penguins have teeth? Why do penguins sneeze? How is penguin poop useful?

These dogs have hiked off-leash to the top of Handies Peak in Colorado. Sharing the great outdoors with our pets is a favorite pastime—but as a result of conflicts between dogs and wildlife, leash laws and dog bans have become commonplace.

Hiking with Your Dog This Summer May Be Harder Than You Think

If you've entertained ideas of boundless romping in the woods with your pet, you may be in for a serious letdown

Flamingos depend on plant-derived chemical compounds to color their feathers, legs and beaks.

For Some Species, You Really Are What You Eat

Flamingos, shrimp and many other animals use chemical compounds found in their diets to color their exteriors

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Which Primate Is the Most Likely Source of the Next Pandemic?

To help anticipate the next outbreak of an emerging infectious disease, scientists scrutinize our closest relatives in the animal kingdom

Lake Louise, one of the world’s most beautiful compositions of water, rock and ice, belongs to Canada. The small lake attracts throngs of tourists while serving as a stepping stone to surrounding wilderness areas of the Rocky Mountains.

From Sea to Shining Sea: Great Ways to Explore Canada

Here are six ways to experience the greatest scenery of America's neighbor to the north

ZnO Fall Flowers. Image by Audrey Forticaux, a graduate student in the Chemistry Department

Intriguing Science Art From the University of Wisconsin

From a fish's dyed nerves to vapor strewn across the planet, images submitted to a contest at the university offer new perspectives of the natural world

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10 Things We’ve Learned About the Earth Since Last Earth Day

Pigeon-eating catfish, Antarctic trash, and more: A list of surprising, alarming and exciting discoveries about our planet from the past year

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