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Science / Our Planet

A fragmented painting of a pig-deer or babirusa (Babyrousa sp.) and hand stencil from one of the caves in Sulawesi, Indonesia.

Rock (Art) of Ages: Indonesian Cave Paintings Are 40,000 Years Old

Cave paintings of animals and hand stencils in Sulawesi, Indonesia, seem to be as old as similar cave art in Europe

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Age of Humans

See How Humans Have Reshaped the Globe With This Interactive Atlas

Zoomable maps reveal the scope of humanity’s influence on Earth—and the innovations aiming to create a more sustainable future

Sealskin clothing, shown here on Aaju Peter, is waterproof, durable, and warm.

To Survive Climate Change, We Should Be More Like the Eskimos

Arctic Studies Center director Bill Fitzhugh says that studying northern cultures can help people adapt to climate change

"Rapid and long-lasting climate change is a topic of growing concern as the world looks to the future," says the Smithsonian Institution's official climate change statement.

Age of Humans

The Smithsonian Institution Announces an Official Climate Change Statement

The bold assessment acknowledges that the global climate is warming because of human activities

Northern lights ignite the sky.

On the Hunt for the World’s Most Spectacular Sky Show

Photojournalist Randall Hyman journeys north to Tromsø, Norway, in search of the northern lights

Ice Age humans left their footprints across what is now Willandra Lakes in southeastern Australia.

Anthropocene

How Climate Change May Have Shaped Human Evolution

Evidence is building that past climate change may have forged some of the defining traits of humanity

Vice-grips Fossil (detail), 2014, wood, oil paint, polyurethane, pigment, marble dust, cast plastic.

Anthropocene

What Will We Leave in the Fossil Record?

Artist Erik Hagen considers the remnants of modern human life that may be found in rock strata millions of years from now

Paris has spread along the banks of the Seine since 1900.

Age of Humans

Make Cities Explode in Size With These Interactive Maps

From Los Angeles to Lagos, see how megacities have been taking over the planet during the past 100 years

A Burning Man tribute to the last remnants of humanity, a buried Statue of Liberty, depicted in the 1967 science fiction film, Planet of the Apes.

Anthropocene

Six Weird Ways Humans Are Altering the Planet

From deep holes to flying sheep, some signs of human activity might really perplex geologists in the far future

Pack ice and fjord walls with sedimentary strata.

Age of Humans

Have Humans Really Created a New Geologic Age?

We are living in the Anthropocene. But no one can agree when it started or how human activity will be preserved

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Age of Humans

Travel Through Deep Time With This Interactive Earth

Explore key moments in Earth’s transformative history as continents drift and climate fluctuates over 4.6 billion years

The Namib desert beetle gathers water from fog that condenses on its bumpy back—which inspired one company to design a self-filling water bottle.

Five Wild Ways to Get a Drink in the Desert

The moisture farmers of Tatooine could take a few tips from these projects for harvesting water out of thin air

The vast unknown deep sea floor

Why We Must Explore the Sea

Robert Ballard, the famed explorer who discovered the wreck of the Titanic, ponders what else is on the ocean floor

The Sahara, the world’s largest non-polar desert, may be at least 7 million years old.

New Research

The Sahara Is Millions of Years Older Than Thought

The great desert was born some 7 million years ago, as remnants of a vast sea called Tethys closed up

Blue crabs crawl inside a bushel on a boat off the coast of the Smith Island town of Tylerton, Maryland.

Anthropocene

In 100 Years, Maryland’s Crab Cakes Might Be Shrimp Cakes

Rising temperatures and a more acidic ocean may spell trouble for the Chesapeake Bay’s iconic crabs, oysters and fish

Curtains of light weave across the sky over Fairbanks, Alaska, on September 12.

Powerful Solar Flare Paints the Sky With Candy-Colored Auroras

Two back-to-back flares sent clouds of charged particles racing toward Earth, creating auroras that may last through the weekend

Sugar gliders, marsupials native to Australia.

Adorable Portraits Put Nocturnal Animals in the Spotlight

A new photo book showcases animals we humans rarely see—while a new study says we may have more in common with night-dwellers than thought

Cyclists Inspecting Ancient Petroglyphs, Utah, 1998: Texas-based photographer Terry Falke captures several of the exhibition's themes in this image of cyclists examining petroglyphs and bullet holes in a stratified rock face by the side of the road in Utah. "You’ve got the ultimate strata, which is man-made, so the idea is that we are impacting, we’re leaving our mark on the Earth over time as well," says Talasek.

Anthropocene

What Does “Deep Time” Mean to You?

An art exhibition at the National Academy of Sciences offers perspective on our geological past and future

An inlaid alabaster unguent jar in the form of an ibex, with one natural horn, was found in the tomb of the pharaoh Tutankhamun.

Anthropocene

Egypt’s Mammal Extinctions Tracked Through 6,000 Years of Art

Tomb goods and historical texts show how a drying climate and an expanding human population took their toll on the region’s wildlife

People take pictures of water gushing from the reservoir of China’s Three Gorges Dam, the largest hydropower station in the world.

Anthropocene

Seven Unexpected Ways We Can Get Energy From Water

It’s not all about giant dams—H2O is a surprisingly common and versatile tool for meeting the world’s energy needs

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