Wild Things

A new study on grey reef sharks turned up a few surprises.

New Research

Ocean Preserves Keep Fishing Boats Away from Grey Reef Sharks

Scientists tracked hundreds of reef sharks to find that massive marine refuges can work—with one caveat

The Zoo's female bobcat was found on the property of the Zoo.

Ollie the Bobcat Is Back at the Zoo and Off the Streets of Washington, D.C.

National Zoo bobcat ends her city sojourn

An illustration of Australia's past megafauna.

New Research

Changing Climate, Not Humans, Killed Australia’s Massive Mammals

But that mass extinction could help us predict what today’s human-wrought climate change may bring

A gecko uses millions of tiny hairs to cling powerfully to surfaces. A new device exploits this adaptation by using ultraviolet light as a switch.

The Innovative Spirit fy17

Scientists Can Turn This Gecko-Inspired Gripping Device On or Off With the Flick of a Light

The mighty lizard inspires yet another innovation that could prove a boon to robotics and manufacturing

An artist's rendering of the "badger otter."

New Research

You Wouldn't Want to Cuddle This Giant Prehistoric Otter With a Crushing Bite

The “badger otter” has some serious teeth, which had mystified paleontologists until now

Two thylacines at the Smithsonian National Zoo around 1905. A thylacine brain from the Smithsonian Institution was scanned as part of a study to learn more about the extinct marsupial, but it is unclear whether that brain belonged to one of the animals pictured.

New Research

How Scientists Reconstructed the Brain of a Long-Extinct Beast

This dog-like marsupial went extinct 80 years ago, but its preserved brains help us glean how its mind worked

The doormouse hibernates to conserve resources in harsh conditions. Similarly, scientists envision humans hibernating to endure long-distance space travel.

Ask Smithsonian 2017

Can Humans Ever Harness the Power of Hibernation?

Scientists want to know if astronauts can hibernate during long spaceflights. First, they need to understand what hibernation is

Macaques and humans seem to share the strength of knowing the limits of what they know.

New Research

A Wise Monkey Knows How Little He Knows

Japanese scientists find that macaque monkeys, like humans, know the limits of their own memory

Smallmouth salamanders reproduce sexually, which may give them certain advantages.

New Research

When Is Sex Worth Going the Distance? When You’re a Salamander, Apparently

Asexual amphibians may be less equipped to handle modern threats than their sexual counterparts

Creatures so small that they had been overlooked in the past—sea urchins, Echinometra viridis, (above) the size of ping-pong balls and a diminutive species of parrotfish, Scarus iseri, were grazing algae on the reef.

These Itsy-Bitsy Herbivores Could Stage a Huge Coral Reef Rescue

Tiny parrotfish and sea urchins can take over the job of their larger cousins to keep a reef free of algae

Standing water in urban areas is ideal breeding ground for mosquitoes that can spread dengue and other tropical diseases.

The Next Pandemic

To Fight Deadly Dengue Fever in Humans, Create Dengue-Resistant Mosquitoes

How manipulating the immune systems of mosquitoes can halt the spread of dengue virus

Anna's hummingbirds have brains uniquely adapted for hovering precisely while feeding.

New Research

For Hummingbirds, the World Moves as Fast as They Do

New research shows how the hummingbird brain allows them to hover and fly precisely

Age of Humans

Video: Why Should Humans Care About Preserving the Diversity of Life on Earth?

This animation explains that humans don't just impact the interconnected web of life—we depend on it

Here, a Gila woodpecker peacefully eats a pyracantha berry. But don't be fooled by appearances.

Weird Animals

This Woodpecker Will Drill Into Your Skull And Eat Your Brains—If You’re a Baby Dove

Think those needle noses were only made for eating insects? Think again

Several armed guards accompanied Luiz Rocha and his colleagues throughout their work in Somaliland.

Meet the Researchers Who Scour the World's Most Dangerous Corners in Search of Biological Riches

Militants, malaria and pirates are just some of the challenges these scientist-explorers face in their quest to map the world’s diversity

Swabbing the toads to sample their microbiomes.

Meet the Colorful New Weapon Scientists Are Using to Save Toads From a Devastating Fungus

Researchers are supplementing the amphibians’ natural microbiomes with a fluorescent fungus-fighter they've dubbed "Purple Rain"

To speak, perchance to think? A long-tailed macaque opens wide in Bali, Indonesia.

New Research

What's Really Keeping Monkeys From Speaking Their Minds? Their Minds

When it comes to language, primates have all the right vocal equipment. They just lack the brains

"Dude, I thought he said he'd be here at 4."

New Research

How Cheetahs “Spot” Each Other

Cheetah meetups: In a novel study, researchers show that roaming cheetahs likely use their noses to seek each other out after weeks apart

Showy traits, like the large antlers of these bull moose, can be detrimental to an animal's health.

New Research

Go Big or Go Generic: How Sexual Selection Is Like Advertising

When it comes to attracting mates, it pays to either go all out—or not try at all

How does a bear catch a break around here?

New Research

Decades-Old Chemicals May Be Threatening Polar Bear Fertility, As If They Didn’t Have Enough to Worry About

A new study sheds light on how today's pollutants could become tomorrow's threats to wildlife and humans

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