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Biology

Ramazzottius varieornatus, a species of tardigrade, photographed with scanning electron microscope

New Research

Why Are Tardigrades the World’s Hardiest Creature? DNA Offers Clues

They may be tiny, but don’t let their stubby stature fool you

The slug-inspired glue is a tough adhesive that can be used for a range of applications, like closing wounds, or making adorable slug models.

Slugs Inspire Super-Strong Glue to Seal Wounds

One day this mollusc-inspired invention might just save your life

The fin of a blacktip shark glides through the waters in the Bahamas.

New Research

Ten Things We’ve Learned about Sharks Since Last Shark Week

In light of Shark Week 2017, here are some revelations about the fearsome fish we’ve made in the past year

Anna Morandi Manzolini (1714-1774), Italian anatomist and sculptor, from a drawing by Cesare Bettini.

The Lady Anatomist Who Brought Dead Bodies to Light

Anna Morandi was the brains and the skilled hand of an unusual husband-wife partnership

Little does it know, but getting eaten by a great tit is the least of this grub's worries.

New Research

Meet the Supervillain Worm That Gets By With a Little Help From Its Friends

This deadly nematode and its sidekicks reveal the power of bacterial symbiosis

Why Hospitals Started Displaying Newborn Babies Through Windows

How peering at babies through glass became a feel-good staple of American maternity wards

Here, wildebeest find themselves trapped by high cliffs while crossing the Mara River in Africa's Serengeti. Every year thousands of wildebeest die while crossing the river due to strong currents or crossing at dangerous sites.

New Research

The Upside of Rotting Carcasses

Large animals dying en masse are crucial to the the Serengeti—and they aren’t the only ones

The cheetah population almost halved since 1975 with only an estimated 7,100 left in the wild today.

Future of Conservation

How to Help Cheetahs Live Longer in Captivity

The key is in what we feed them, researchers surmise

A captive wolf greets a stranger in an experiment testing the sociability of dogs and their ancestors

What Makes Fido So Friendly? It Could Be Genetic

Mutations in several genes linked to hypersocial behavior in people may have helped along canine domestication

Cool Finds

Lioness Spotted Nursing a Leopard Cub in Tanzania

It is the first time that a wild cat has been observed “adopting” another species—but the interaction may not have a happy end

New Research

How Fire Ants Build Incredible Writhing Towers

Using X-rays, researchers find simple rules help the ants raise each other up, which could be useful in robotics

Adorable New Tiger Cub Born at the Zoo Yips at Its Mom on Video

The new Sumatran tiger cub signals a success in efforts to save the critically endangered species

A crowd gathers in the "Bird Migration" exhibit at the Steinhardt Museum during the inauguration event.

The Middle East Is a Treasure Trove of Natural Wonders. Now It Has a Museum to Show Them Off

Everything from early human skulls to priceless taxidermy relics will be on display in the ark-shaped museum

Like Humans, Chimps Learn Behavior From One Another

Chimps have a range of personalities and the facial expressions to reflect them

A view from within the Tyson Forest Dynamics Plot in Missouri.

New Research

Why Do We See More Species in Tropical Forests? The Mystery May Finally Be Solved

Surveying 2.4 million trees showed that predators may help keep the trees at sustainable levels

Every species lights up the night in its own unique sequence of patterns, colors and flashes.

Illuminating the Secret Language of Lightning Bugs

For these light-up lovers, each flash in the night could mean sex or death

A selection of foraminifera, tiny marine creatures that form elaborate shells of calcium carbonate or silica.

Art Meets Science

These Fanciful Microbes Need Your Coloring Skills

A vast microscopic world writhes around you. Now a coloring book lets you bring wee beasts and beauties to life

Ask Smithsonian 2017

Do Other Animals Have Baby Teeth and More Questions From Our Readers

You asked, we answered

The olm, or cave dragon, is the largest cave-adapted animal in Europe. These strange creatures spend their entire lives in caves, and face threats from pollution runoff from agriculture and chemical plants on the surface.

Future of Conservation

Cave Dragons Exist—And Saving Them Could Be Key to Protecting Drinking Water

New DNA techniques are letting researchers track down the largest, strangest cave animals in the world

Small but mighty!

The Little Brown Bat’s Mighty Talent

Accounting for body size, the little brown bat lives longest of any mammal–but no one knows why

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