Our Planet

Everyone knows about shallow coral reefs like this one, which Shepherd captured during a decompression stop up from a mesophotic dive. Far fewer know about the deep reefs that lie just below them.

Illuminating the Ocean’s Teeming Twilight Zone, Before It Disappears

Like underwater islands, these deep reefs harbor countless creatures that scientists have never heard of, and many they never will

The tornado that touched down near El Reno, Oklahoma plowed through the region. The violent winds and subsequent floods injured 155 and killed 20 people, including the first known storm chasers to die in the twister's swirling path.

How a Legendary Storm Chaser Changed the Face of Tornado Science

In 2013, Tim Samaras died in one of the epic storms he'd spent decades chasing. A new book chronicles his harrowing last days

Awesome Con provided an opportunity for science fiction and real-life science to play off of one another. The Robot from Netflix's Lost in Space reboot (center) illustrates the former, while the NASA jacket of the con attendee on the right nods to the latter.

The Real Science Behind Your Favorite Nerd Culture at Awesome Con

Astrophysicists, vehicle technicians and biologists joined the party to bring cutting-edge research to fictional worlds

Curasub commissioner/owner Adriaan Schrier and lead DROP scientist Carole Baldwin aboard the custom-built submersible.

How a Team of Submersible-Bound Scientists Redefined Reef Ecosystems

In tropical Curaçao, Smithsonian researchers are constantly confronting the unknown

Jökulsárlón, Iceland

Climate Change Can Also Transform Language

As our world warms, warps and melts, metaphors of the past take on new meaning

Thanks to its neutral taste, cricket flour hides well in oatmeal and baked goods. But a Canadian grocery chain isn't hiding its unusual ingredient: it's putting a picture of a cricket on its logo.

Why Canada Wants You to Know You’re Eating Crickets

In some countries, insects may finally be getting their due as affordable, nutritious protein sources

The towering, 2,500-year-old “Mother of the Forest” (second from left) died after its bark was stripped for display in New York in 1855.

How California's Giant Sequoias Tell the Story of Americans' Conflicted Relationship With Nature

In the mid-19th century, "Big Tree mania" spread across the country and our love for the trees has never abated

How to Calculate the Danger of a Toxic Chemical to the Public

The risk of any toxin depends on the dose, how it spreads, and how it enters the body

Could Lab-Bred Super Coral Save Our Reefs?

Scientists are exploring a bold new plan that could help protect the world's coral reefs. Using selective breeding, they aim to produce a new strain

Future of Conservation

Inside the Colorado Vault That Keeps Your Favorite Foods From Going Extinct

From heirloom potatoes to honeybee sperm, this collection works to preserve our invaluable agricultural diversity

Kinorhynchs (aka mud dragons) range in size from about 0.13 to one millimeter. Like other meiofauna species, they are integral parts of marine food chains in sediments throughout the world.

King of the Mud Dragons

Robert Higgins has spent his career dredging out tiny creatures from dirt and obscurity

Easter Island is home to at least 142 endemic species, including the Easter Island butterfly fish.

Chile Announces Protections for Massive Swath of Ocean With Three New Marine Parks

The almost 450,000 square miles encompass a stunning diversity of marine life, including hundreds of species found nowhere else

Residents queue to fill containers with water from a source of natural spring water in Cape Town, South Africa, Friday, Feb. 2, 2018.

What's Behind Cape Town's Water Woes?

As climate change intensifies droughts, the city's crisis may signify a new normal

A Kenyan farmer using the fertilizer in his fields.

How Climate Change is Fueling Innovation in Kenya

A new generation of start ups are working to help farmers in a region that faces myriad challenges

Driftwood is a valuable resource for humans and all kinds of ecosystems near and far.

How Driftwood Reshapes Ecosystems

In one of nature’s remarkable second acts, dead trees embark on transformative journeys

Seismic shockwaves after a meteorite’s collision could affect systems all over the planet.

The Meteorite That Killed the Dinosaurs May Have Also Triggered Underwater Volcanoes

In a new study, scientists peered into 100 million years of seafloor history to find something strange

Is SpaceX Being Environmentally Responsible?

Falcon Heavy’s flashy space car may not have been the best idea—for Mars

A replica of Foucault's famous experiment at the Museo Nazionale della Scienza e Tecnica in Milan, Italy

Ask Smithsonian

How Does Foucault's Pendulum Prove the Earth Rotates?

This elegant scientific demonstration has been delighting everyday people for nearly 200 years

Behold, the unsung hero of the Winter Olympic Games: ice.

The Beijing Winter Olympics

The Slick Science of Making Olympic Snow and Ice

Crafting the ideal ice rink or bobsled course takes patience, precision and the skill of an Ice Master

Images created by NASA with satellite data helped the U.S. Department of Agriculture analyze outbreak patterns for southern pine beetles in Alabama, in spring 2016.

Can Scientists Forecast Algal Blooms and Pest Outbreaks Like We Do the Weather?

With big data, ecologists have the ability to predict short-term ecological phenomena over the span of days and seasons rather than decades

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