Our Planet

Exclusively feeding in the wild on blood from live animals, vampire bats, native to Central and South America, can regurgitate blood in order to feed one another, though they won't do this for just anyone.

What a Vampire Bat Can Teach Us About the Economics of Friendship

A Smithsonian scientist says important lessons about making friends and sharing can be learned from these blood-sucking creatures

Multiple views of the young teen's right humerus arm bone that runs from the shoulder to the elbow show where the tumor left its mark.

Oldest Cancer Case in Central America Discovered

A young teen, who died 700 years ago, likely suffered pain in the right arm as the tumor grew and expanded through the bone

From the Batpod to the Batcomputer, the Caped Crusader's gadgets use up a whole lot of energy and spew a whole lot of carbon. But when it comes to carbon footprints, Gotham's techiest hero has nothing on some of pop culture's other saviors.

Age of Humans

Which of Your Favorite Superheroes Is Destroying the Earth?

Measuring the carbon footprints of your favorite comic book heroes, from Batman to Jessica Jones

These Trees Uncover What Plunged Egypt's Climate Into Chaos

Examining tree rings inside the world's oldest trees reveal a seismic event that took place around 3,500 years ago

Torrance Coste of the Wilderness Committee illustrates the immensity of the missing Carmanah cedar in 2012.

Future of Conservation

How Thousand-Year-Old Trees Became the New Ivory

Ancient trees are disappearing from protected national forests around the world. A look inside $100 billion market for stolen wood

World War I: 100 Years Later

How World War I Changed Weather Forecasting for Good

Prior to the Great War, weather forecasters had never considered using mathematical modeling

Fossils provide potential evidence that ancient life thrived Australia's Dresser Formation, a region composed of 3.5-billion-year-old hot springs.

New Research

Fossils From Ancient Hot Springs Suggest Life May Have Evolved on Land

These 3.5-billion-year-old rocks could vindicate Darwin's claim that life evolved in "some warm little pond," and not in the ocean

Any faithful recreation of elephant ivory must be hard, strong and tough—three qualities that are difficult to engineer in any one material.

Future of Conservation

Appalled by the Illegal Trade in Elephant Ivory, a Biologist Decided to Make His Own

Faking the stuff of elephant tusks could benefit wildlife conservation and engineering—yet many technical hurdles remain

White plastic horse, 3. Plamacina retroversta ic. III. Specimen collected from Cobh shoreline, Cove of Cork, Ireland

Art Meets Science

These Haunting Photographs Call Attention to Plastic Trash Swirling in the Ocean

Award-winning photographer Mandy Barker explores the beauty and tragedy of marine plankton and plastic waste

The ginkgo biloba or Maidenhair tree has been around for at least 270 million years, making it the botanical equivalent of the shark.

Age of Humans

The World Told Through the Eyes of the Ginkgo Tree

By deciding this ancient plant was worthy of their attention, humans ended up dramatically shaping its evolution

“It's hard to imagine," says Smithsonian scientist Carlos Jaramillo,"that you could have the Caribbean ocean in the west Amazon."

A Vast and Now Vanished Amazon Sea Is Discovered

About 18 million years ago, the Caribbean Sea seasonally flooded inland forests, where enormous crocodiles and turtles roamed

Environmental chemists are developing a method that could suck toxic metals out of marine environments.

How Electrified Steel Could Suck Toxic Metals From the Ocean

After a century of strip mining and deforestation, New Caldonia researchers are working to de-contaminate marine waters

Mateo-Vega (right) shows Emberá and Kuna colleagues how to take forest measurements. From left to right, indigenous technicians Edgar Garibaldo, Chicho Chamorro, Baurdino Lopez, Evelio Jiménez, Alexis Solís.

Future of Conservation

How Scientists And Indigenous Groups Can Team Up to Protect Forests and Climate

A collaboration between Smithsonian researchers and the Emberá people of Panama aims to rewrite a fraught narrative

Footage of the Alarming Moments Before the Everest Avalanche

An earthquake in Nepal fills hikers on Everest with fear. Once the tremors subside, however, a new threat begins to loom on the horizon: an avalanche

Unlikely savior: The remarkable properties of spaghnum moss help preserve long-dead bodies, sequester carbon and even heal wounds.

World War I: 100 Years Later

How Humble Moss Healed the Wounds of Thousands in World War I

The same extraordinary properties that make this plant an “ecosystem engineer” also helped save human lives

Roadmap is a new idea whose aim is to facilitate action on climate change without any of the usual suspects—governments, countries, international bodies, negotiating parties.

Using a New Roadmap to Democratize Climate Change

A new tool aims to bypass governments and put the power of climate action in the people’s hands

Roughly 70 pink pigeons exist in captivity around the world, including this one at the San Diego Zoo.

Future of Conservation

Threatened Species? Science to the (Genetic) Rescue!

This still-controversial conservation technique will never be a species' panacea. But it might provide a crucial stop-gap

This Couple Filmed the Everest Avalanche Coming at Them

A young couple hiking in a Himalayan valley are caught in the middle of an earthquake that sets off a giant avalanche

“Salt Series” taken during a low-altitude flight in Western Australia.

Australia's Salt Ponds Look Like Beautiful, Abstract Art From Above

Taking to the sky to show how industry shapes the earth

Sirocco, currently MIA, has helped millions connect with the island’s endangered wildlife.

Future of Conservation

Seduced By a Rare Parrot

What can conservationists learn from New Zealand’s official “spokesbird,” a YouTube celebrity who tries to mate with people’s heads?

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