The Amazon rainforest appears wild and untouched by humanity, but people have been shaping its biodiversity for millennia.

New Research

The Supposedly Pristine, Untouched Amazon Rainforest Was Actually Shaped By Humans

Over thousands of years, native people played a strong role in molding the ecology of this vast wilderness

Einstein enjoyed a 20-year friendship with African-American civil rights leader and actor Paul Robeson (far right). Also shown are former vice president Henry Wallace (left) and Lewis L. Wallace of Princeton University (second from right).

How Albert Einstein Used His Fame to Denounce American Racism

The world-renowned physicist was never one to just stick to the science

Watch a Male Seahorse Give Birth to Hundreds of Babies

Male seahorses are the ones who carry children and give birth. And when they do, they can produce up to 2,000 babies at one time

Cunitz was among the few who saw the truth in Johannes Kepler’s laws of planetary motion, which stated that planets moved in elliptical orbits around the sun. Here, a concept drawing of the Earth and moon in orbit around the sun.

Space Hub

The 17th-Century Lady Astronomer Who Took Measure of the Stars

Astronomer Maria Cunitz might not be such an anomaly, were other women given the same educational opportunities

Emissions from steel production in eastern China are fertilizing nearby oceans.

Age of Humans

Human Pollution May Be Fertilizing The Oceans. That’s Not a Good Thing

Our iron emissions from coal and steel may be fuelling ocean life, and trapping carbon in the process

What thorny ethical issues await us once we make it to Mars? A composite image of the red planet, composed by processing about 1000 Viking Orbiter red- and violet-filter images have been to provide global color coverage at a scale of 1 km/pixel.

Think Big

When Humans Begin Colonizing Other Planets, Who Should Be in Charge?

The biggest threat humans pose to other worlds is what we don’t know—or what we think we know, but don’t

Unlike the Apollo spacecraft, Orion will have solar panels to help power longer space journeys, as shown in this concept art of the spacecraft orbiting Earth.

Ask Smithsonian 2017

What’s Really Changed—and What Hasn’t—About Getting Humans to the Moon

NASA’s Orion will combine vintage tech with massive advances in computing power and electronics we’ve made since 1972

The beauty of this mutant strain of the fungus Trichoderma reesei belies the organism’s potential for dismantling biomass.

Art Meets Science

Scientists Make Art From Objects Invisible to the Naked Eye

Sophisticated microscopes, satellites and other instruments can create stunning images in experts’ hands

During more peaceful times, two female baboons sit next to a collared male baboon holding an infant.

New Research

Baboons Are Ruthless Reproducers

These monkeys do whatever it takes to pass on their genes, including killing others’ offspring

The 38,000-year-old woolly mammoth carving next to Georges Seurat's "A Sunday on La Grande Jatte." Despite the vast amount of time between their respective creations, both use a collection of dots to form a larger image.

New Research

Prehistoric Pointillism? Long Before Seurat, Ancient Artists Chiseled Mammoths Out of Dots

Newly discovered 38,000-year-old cave art predates the French post-Impressionist art form

Three polar bears climbing on a snow-covered pile of bowhead whale bones on Barter Island near Kaktovik, Alaska.

The Politics of Viewing Polar Bears

Tourists flock to this coastal Alaskan town to photograph the vulnerable icons—raising hairy ethical questions

Smarter than we think.

New Research

Bees Can Learn to Play “Soccer.” Score One for Insect Intelligence

Small as they are, bumblebee brains are surprisingly capable of mastering novel, complex tasks

Neanderthals went extinct 30,000 years ago, taking their precious genetic material with them. But their DNA lives on in their hybrid ancestors: modern-day humans.

New Research

How Ancient Neanderthal DNA Still Influences Our Genes Today

Far from being silent remnants, Neanderthal genes play a profound role in how modern human genes are expressed

Researchers have found that when our minds wander, our moods tend to suffer.

Why Mind Wandering Can Be So Miserable, According to Happiness Experts

We still don’t know why our minds seem so determined to exit the present moment, but researchers have a few ideas

Why Elk Calves Are Undetectable to Yellowstone’s Wolves

In Yellowstone, elk calves are left unprotected by their herd and are the easiest prey for wolves to catch. Luckily, the newborns have no scent

The last natural case of smallpox was recorded in Somalia in 1977.

A Child From 17th-Century Europe Might Have Rewritten the History of Smallpox

The deadly scourge goes back for centuries, but how many?

E.O. Wilson Urges Tomorrow’s Scientists to Seek Earth’s Undiscovered Riches

In a Smithsonian talk, the eminent biologist argued for more protected areas and greater efforts to map the diversity of life

The seven Earth-sized planets orbiting the dwarf star TRAPPIST-1.

Think Big

Scientists Spot Seven Earth-Sized Planets Orbiting a Nearby Star

This newly discovered solar system presents the best opportunity yet to study potentially habitable worlds, NASA scientists report

Rothschild’s giraffes typically have five nubby horns, or ossicones, instead of the usual two.

Future of Conservation

To Save Giraffes, We May Need to Put Our Necks Out

With populations plummeting, researchers race to understand a beloved but enigmatic animal

Bao Bao's last day

Pandamonium

Poignant Panda Moments in These Last Photos of Bao Bao

The National Zoo sends its much-loved giant panda home to China

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