Smithsonian Tropical Research Institute archaeologist Ashley Sharpe contemplates the Ceibal site in Guatemala—one of the oldest Maya sites known.

Dogs Were Transported Across Great Distances for Ancient Maya Rituals

A new paper uses chemistry to shed light on the management of Maya animals

A Honey Badger Cracks Open a Thick Ostrich Egg

Ostrich eggs can weigh up to three pounds and have some of the hardest shells around. This honey badger, however, isn’t about to let any of that get in the

Can you spot Sheila?

Women Who Shaped History

How Smithsonian Helped Solve the Twitter Mystery of the Unknown Woman Scientist

Sheila Minor was a biological research technician who went on to a 35-year-long scientific career

A Honey Badger and Mole Snake Fight to the Death

A hungry honey badger and a fearless mole snake are locked in a deadly battle, with survival at stake

These black- and red-colored pigments reveal that humans were using pigments, potentially to communicate status or identity, by around 300,000 years ago.

New Research

Colored Pigments and Complex Tools Suggest Humans Were Trading 100,000 Years Earlier Than Previously Believed

Transformations in climate and landscape may have spurred these key technological innovations

Small differences account for a shooter’s consistency.

The Math Behind the Perfect Free Throw

A basketball computer program simulates millions of trajectories in search of the ideal shot

How to Calculate the Danger of a Toxic Chemical to the Public

The risk of any toxin depends on the dose, how it spreads, and how it enters the body

How It All Began: A Colleague Reflects On the Remarkable Life of Stephen Hawking

The physicist probed the mysteries of black holes, expanded our understanding of the universe and captured the world’s imagination, says Martin Rees

The Proliferation of Happiness

A professor of consumer culture tracks the history of positive psychology

An artist's interpretation of two giant pterosaurs in the Late Cretaceous.

New Research

What Doomed the Pterosaurs?

Killed off in their prime, the leathery fliers may have been living too large for their own good

At the time of capture, the Smithsonian's coelacanth specimen weighed about 160 pounds and measured a little less than five and a half feet long.

How the Smithsonian’s Coelacanth Lost Its Brain and Got It Back Again

This year marks the 80th anniversary of the discovery of a fish believed to have gone the way of the dinosaurs 70 million years ago

Human evolution is ongoing, and what we eat is a crucial part of the puzzle.

How Cheese, Wheat and Alcohol Shaped Human Evolution

Over time, diet causes dramatic changes to our anatomy, immune systems and maybe skin color

Could Lab-Bred Super Coral Save Our Reefs?

Scientists are exploring a bold new plan that could help protect the world’s coral reefs. Using selective breeding, they aim to produce a new strain

Lioness Underestimates the Strength of an Impala

A solitary lioness in her new home of Akagera, Rwanda, is tracking a herd of impala. Two problems: The impala here are stronger than the ones back home

Future of Conservation

Inside the Colorado Vault That Keeps Your Favorite Foods From Going Extinct

From heirloom potatoes to honeybee sperm, this collection works to preserve our invaluable agricultural diversity

This Crab Doesn’t Take Kindly to Home Intruders

The crown-of-thorns starfish eats coral reefs; coral reefs happen to be the home of the guard crab

An urban coyote makes itself at home in a vacant lot on Chicago's near North Side.

New Research

Foxes and Coyotes are Natural Enemies. Or Are They?

Urban environments change the behavior of predator species—and that might have big implications for humans

The trepanated skull of a Neolithic woman. The fact that the hole is rounded off by ingrowth of new bone suggests that the patient survived the operation.

No, Getting a Hole Drilled in Your Head Was Never a Migraine Cure

The ancient and controversial procedure was used for a slew of reasons, but to ‘let the headache out’ was not one of them

The handbones seen in the whale model in the center of this image tell the curious story of how whales went from land to water.

Ask Smithsonian

What’s a “Missing Link”?

While some still use the term, experts abhor it because it implies that life is a linear hierarchy

Did a falling apple really influence Newtonian physics?

Sometimes, a Scientific “Eureka!” Moment Really Does Change the World

Your plastic credit card, microwaveable popcorn and erection enhancers all owe to a fortuitous moment of connection

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