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Science

The Verreaux's sifaka is one of the unique mammals found only on Madagascar.

Tiny Fossils Reveal the Rise of Mammals on Madagascar

Recent finds are helping paleontologists piece together what happened after dinosaurs vanished from the island

Everybody Loves Lists

Our Top Ten Stories of 2015

From treasures buried in glaciers to the racial history of a vanished city in Oregon, here are the most-read stories on Smithsonian.com this year

Dogs, like humans, use mimicry to enhance social bonds.

New Research

Dogs Mimic Each Other’s Expressions, Too

The behavioral findings hint that dogs, like humans, might be capable of their own form of empathy

Top Nine Ocean Stories That Had Us Talking in 2015

From fossil whales to adorable octopuses, here are some of the marine headliners that caught our attention this year

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Age of Humans

Most Oil Needs to Pass Through at Least One of These Tiny Spots

Tankers carry millions of barrels a day through tiny chokepoints, which put the surrounding areas at risk of environmental problems

A female medium ground finch, one of at least 14 species of Darwin’s finches in the Galapagos Islands, Ecuador.

Age of Humans

Charles Darwin’s Famous Finches Could Be Extinct in Half a Century

The finches on the Galapagos Islands are suffering from a parasitic fly introduced to the islands by humans

Photos and Videos of the National Zoo’s Panda Cub Making a Visit to the Vet

A check-up reveals that Bei Bei is now a hefty, thriving 18 pounds

Smithsonite, or zinc spar, is a carbon zinc ore.This mineral was named in 1832 after English chemist and mineralogist James Smithson (founding donor of the Smithsonian Institution).

We Are Missing At Least 145 Carbon-Bearing Minerals, and You Can Help Find Them

The Carbon Mineral Challenge is asking rock enthusiasts around the world to hunt for the undiscovered forms of this common element

Tradition holds that this plow, held in the Smithsonian collections, is one of the first three plows that John Deere personally forged.

Age of Humans

Did John Deere’s Best Invention Spark a Revolution or an Environmental Disaster?

When Deere created his now-famous steel plow, he created America’s breadbasket and set the stage for many of modern farming’s environmental problems

A cheetah stalks past a herd of giraffes in Kenya's Masai Mara National Reserve.

Age of Humans

Humans Caused a Major Shift in Earth’s Ecosystems 6,000 Years Ago

We upended a pattern held for 300 million years, and that may mean we are causing a new phase in global evolution

Lush rainforest surrounds the Chagres River in Panama.

Age of Humans

Some Forests Have Outsized Impacts on Local Water

A comprehensive new report emphasizes the importance of upland forests for providing clean water, mitigating storms and reducing erosion

High in the sky, aerosols from airplane exhaust become encased in ice and form the bright contrails seen in a plane’s wake.

Age of Humans

Airplane Contrails May Be Creating Accidental Geoengineering

Dissipating haze from plane exhaust alters how sunlight reaches the Earth and may be unintentionally affecting our climate

An artist's illustration of a planet-like body in the Kuiper belt.

New Research

A Brief History of the Hunt for Planet X

The flutter over a possible new world beyond Neptune highlights the long, legitimate search for planets in the solar system’s fringe

Ask Smithsonian: How Do Colors Affect Our Moods?

Whether you are feeling green with envy or you’re singing the blues, the link between color and feeling is a highly individual thing

Say hello to your faithful friend Demodex folliculorum.

New Research

Your Hair Mites Are So Loyal Their DNA Reflects Your Ancestry

Mite DNA could hold clues to ancient human migrations and future skin health

Divers approach a bull shark in the water off Mauritius. Though environmental conditions are much the same in Mauritius and neighboring La Réunion, the latter is one of the most dangerous shark-attack spots in the world.

Age of Humans

Why Is This Indian Ocean Island a Hot Spot for Shark Attacks?

La Réunion has seen way more attacks than its neighbor Mauritius, and scientists are struggling to figure out why

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For the First Time Ever, a Rehabilitated Tiger Has Birthed Cubs in the Wild

In an update from our February cover story, Zolushka found a mate in Siberia and now has two baby tiger cubs

An illustration shows what Shonisaurus popularis might have looked like in the late Triassic.

What Killed These Marine Reptiles Found in a Nevada Ghost Town?

Paleontologists are going high tech to solve the mystery of a mass ichthyosaur death near the old mining town of Berlin

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