Our Planet

Costa Rica's Guanacaste region is among the country's many beautiful ecological zones—and the waste from local juice company is helping keep it that way.

Costa Rica Let a Juice Company Dump Their Orange Peels in the Forest—and It Helped

How a controversial experiment actually bore fruit

A geologist looks out into a caldera in Nevada's McDermitt Volcanic Field.

Future of Energy

Will Supervolcanoes Help Power Our Future?

Vast new deposits of lithium could change the global politics of battery production—if we can get at them

Humpback whales sounding in Windham Bay, Alaska.

What Humpback Whales Can Teach Us About Compassion

Are these orca-fighting, seal-saving good Samaritans really just in it for themselves?

Monarch caterpillars feeding on milkweed leaves and dropping their feces (taken in the laboratory facility).

How Insect Poop Could Solve All Our Problems

Bugs use their feces for weapons, navigation and gardening. Can we tap into this poop party?

A NASA image of Hurricane Sandy moving along the United States' East Coast. Extreme weather events like this are becoming more frequent, but scientists still face challenges when attributing any one storm to climate change.

Ask Smithsonian 2017

Does Climate Change Cause Extreme Weather Events?

It's a challenge to attribute any one storm or heat wave to climate change, but scientists are getting closer

Ampelopsis brevipedunculata, or porcelainberry originated in China, Korea, Japan and Russia, but is a vigorous invasive in the United States.

The Innovative Spirit fy17

Scientists Are Using This Collection of Wood Samples to Combat Illegal Logging

Archie F. Wilson loved wood enough to amass the country’s premiere private collection. Now scientists are using it as a weapon against illegal logging

Franklin’s lifelong quest was spreading scientific knowledge to regular people.

Benjamin Franklin Mocked Eclipse Astrology to Elevate Science

The founding father used his almanacs to promote a scientific understanding of celestial events—often with withering humor

A green bluebottle fly, part of the Calliphoridae family of carrion flies.

How Fly Guts Are Helping Researchers Catalog the Rainforest

These tiny, buzzing lab assistants provide scientists with a treasure trove of conservation data

Is This Where Humanity Decided to Settle Down?

Plant analysis of ancient wild cereals from Göbekli Tepe reveal a remarkable similarity to modern strains

In a healthy reef, coral symbionts make food for the coral animal.

A Blueprint for Genetically Engineering a Super Coral

Why some researchers are proposing a drastic measure to save a threatened ecosystem

The algal scrubber in action.

The Innovative Spirit fy17

Smithsonian Scientists Are Using Algae to Revitalize America’s Waterways

Walter Adey’s algal turf scrubber filters pollutants to clean water

A scuba diver swims in the coral reefs of Palau. Beneath the depths that humans can dive, natural wonder and a better understanding of our planet awaits.

Why The First Complete Map of the Ocean Floor Is Stirring Controversial Waters

Charting these watery depths could transform oceanography. It could also aid deep sea miners looking for profit

Even top predators like pumas flee in our presence. Worse, they might be disrupting entire food chains as they go.

New Research

How Fear of Humans Can Ripple Through Food Webs and Reshape Landscapes

Predators like pumas cower in our presence. And these big cats aren’t the only ones

A view from within the Tyson Forest Dynamics Plot in Missouri.

New Research

Why Do We See More Species in Tropical Forests? The Mystery May Finally Be Solved

Surveying 2.4 million trees showed that predators may help keep the trees at sustainable levels

Every species lights up the night in its own unique sequence of patterns, colors and flashes.

Illuminating the Secret Language of Lightning Bugs

For these light-up lovers, each flash in the night could mean sex or death

Coral reefs, like this one off the coast of South Africa, are rich both in hue and aquatic sounds.

Coral Reefs Sound Like Popcorn, and That’s a Good Thing

The oceans boast a vibrant soundscape, but we may be slowly silencing their symphonies

The sun may get all the attention, but our lunar lodestar helps creatures navigate the swells and tides of ocean life.

How Moonlight Sets Nature's Rhythms

Lunar luster triggers mating orgies, guides travelers and even can even provoke magical transformations

Mateo-Vega (derecha) muestra a los compañeros Emberá y Kuna cómo tomar medidas forestales. De izquierda a derecha, los técnicos indígenas Edgar Gariboldo, Chich Chamarro, Baurdino López, Evelio Jiménez, Alexis Solís. (Sean Mattson / Smithsonian)

Future of Conservation

Cómo Los Científicos y Grupos Indígenas Pueden Aliarse Para Proteger Los Bosques y el Clima

Compared with the trees, lianas are able to put more energy into the production of leaves and seeds and less towards growing a trunk.

Tarzan's Favorite Mode of Travel, the Liana Vine, Chokes Off a Tree's Ability to Bear Fruit

With lowered fruit production, fewer seeds are dispersed to grow new trees

The historical marker in Enterprise, Alabama describing the significance of the statue.

American South

Why an Alabama Town Has a Monument Honoring the Most Destructive Pest in American History

The boll weevil decimated the South's cotton industry, but the city of Enterprise found prosperity instead

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