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Science / Wildlife

A seal catches a salmon off the coast of Washington State. Scientists are working to determine how much salmon the seals eat.

Salmon in the Pacific Northwest Are Facing a New Threat: Booming Populations of Seals and Sea Lions

The mammals’ return to the region represented a conservation success story, but their appetite for endangered fish is upsetting the balance of a delicate ecosystem

The Blomberg’s tree boa was recently documented in southwestern Colombia for the first time, even as it loses habitat in the nearby rainforests of Ecuador.

This Elusive Snake’s Habitat Is Under Threat in Ecuador. Here’s How Conservationists Are Fighting Back

How do you protect an endangered serpent with a special talent for hiding in plain sight?

Whatever happend to President Franklin D. Roosevelt's tradition of fireside chats?

What Happened to FDR’s Fireside Chats? And More Questions From Our Readers

You’ve got questions. We’ve got experts

A shaft of golden light from the cave’s mouth provides warmth as the expedition’s scientists enjoy lunch 80 feet below the opening of Natural Trap Cave.

Rooted in the American West: Food, History and Culture

A Trove of Ice Age Fossils Buried in a Wyoming Cave Is Rewriting Our Understanding of Prehistoric Animals

At a site known as Natural Trap Cave, a team of scientists are rappelling down to uncover the secrets of what the Earth was like during the Pleistocene

Sea cucumbers come in a multitude of colors.

Welcome to the Weird and Wondrous World of Sea Cucumbers

These spiny or slimy ocean creatures display an astonishing diversity of appearances, behaviors and lifestyles—and many are increasingly threatened

Soaring through the sky can be hard work, so why not land on a flower for a nectar break?

Smithsonian Photo Contest Galleries

Be Blown Away by These 15 Images of Beautiful Butterflies

These shots from the Smithsonian Magazine Photo Contest show just why butterflies have floated into our hearts

During the squid run, tens of thousands of opalescent squids (Doryteuthis opalescens) gather together.

In Order to Unravel the Many Mysteries of Squids, Scientists Dive Into Their Mating Frenzies

Marine biologists hope to find out more about a creature that is vital to a healthy ecosystem and the state’s fishery

A Haast’s eagle attacks a moa pair.

Why Have Birds Never Gotten as Big as T. Rex?

Even the most massive birds have never reached the sizes of their dinosaur relatives

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Looking Back on the L.A. Wildfires Through the Lens of Two Photographers

As wildfire becomes an increasingly lethal force that’s remaking broad swaths of California, people and animals alike are in the hot seat

Blood type, metabolism, exercise, shirt color and even drinking beer can make individuals especially delicious to mosquitoes.

Ask Smithsonian

Why Do Mosquitos Bite Some People More Than Others? Your Blood Type, Sweat Contents and Even Alcohol Consumption May Make You More Attractive to the Pesky Insects

Scientists are working hard to discover the factors that drive the blood-sucking insects to target certain individuals

European gray wolves in Germany

Why Have European Wolves Recovered So Much in the Past Decade?

The predators have increased by almost 60 percent on the continent

A variety of marine creatures and unique features can be found in the deep sea off Norway, including the dumbo octopus, colorful anemones and venting chimneys.

As Norway Considers Deep-Sea Mining, a Rich History of Ocean Conservation Decisions May Inform How the Country Acts

In the past, scientists, industry and government have worked together in surprising, tense and fruitful ways

A Schaus’ swallowtail (Papilio aristodemus) rests on a plant.

Why Does This Endangered Butterfly Thrive After Hurricanes?

For Schaus’ swallowtail butterflies, the powerful storms mean clear skies and bright futures

Fossils indicate a variety of marine reptiles swam through ancient seas.

From Massive Eyes to Shark-Like Tails, Seven Amazing Adaptations That Helped Prehistoric Reptiles Thrive at Sea

The creatures cruised the world’s oceans with features we often associate with marine mammals, such as coats of blubber and the ability to birth live young

An Aldabra giant tortoise stands tall. Males can weigh more than 500 pounds.

Thousands of Giant Tortoises Anchor a Thriving Ecosystem on Aldabra, a Remote Atoll in the Indian Ocean

The animals graze the vegetation into a picturesque turf, fertilize the soil with their dung and disperse seeds over large distances

Brown-headed cowbirds perch together on a branch in southern Arizona. The species is a brood parasite, sneaking their eggs into other birds’ nests in an attempt to steal parental care.

A Revealing Look Into the Surprisingly Tricky Sex Lives of Birds

Even among the most durable migratory bird pairings, sexual exclusivity is rarely part of their relationship

A species of remipede known from the Caicos Islands. The photograph was taken by a member of a multinational team looking for rare species. Remipedes are crustaceans that are close relatives to insects.

You Might Think of Shrimp as Bugs of the Sea. But a Remarkable Discovery Shows the Opposite: Bugs Are Actually Shrimp of the Land

A recent study suggests that insects branched out from crustaceans on the tree of life

The tusks of ancient elephants came in a variety of shapes and sizes.

Ten Exceptional Ancient Elephants, From Small Swimming Creatures to Shovel-Tusked Beasts

A wide variety of the exotic animals evolved on Earth over the past 60 million years

Blue jeans poison dart frogs cannot be handled since their skin—not made of denim—is extremely toxic.  

Smithsonian Photo Contest Galleries

See Fantastic Frogs in 15 Fun Photographs

Hop through these images from the Smithsonian Magazine Photo Contest

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The Swarm of People Intent on Saving Our Bees

An army of experts and citizen scientists devoted to documenting and protecting the country’s native bees is telling us a lot about the hidden lives of these insects

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