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Science / Our Planet

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Smithsonian Voices

Scientists Award the Pygmy Sorrel Moth a Big Title

This minute species now holds the coveted title of world’s smallest moth

There are about 160,000 species of moths and butterflies worldwide, each with unique characteristics.

Smithsonian Voices

Marvel at the World’s Most Magnificent Moths

With thousands of species of moths worldwide, each with unique characteristics, check out these unusual specimens in the Smithsonian collections

From forests to fish to flakes of snow, the science behind ice cream reaches beyond the cone.

Smithsonian Voices

The Strangely Scientific Endeavor of Making Ice Cream

Ice cream’s texture is the result of the same processes that govern concepts like forest recovery, rock formation and sub-zero survival in animals.

Chris Meyer, a marine invertebrate zoologist at the Smithsonian’s National Museum of Natural History, dives around French Polynesia with equipment used to track coral reef health.

Future of Conservation

Meet the Reef Expert Collecting Environmental Time Capsules

Collecting DNA in waters worldwide can help scientists figure out which places are the most important for conservation

Rain, waves, and seeping groundwater can destabilize seaside bluffs, making them prone to collapse.

The Science of Predicting When Bluffs in Southern California Will Collapse

Researchers are using lidar to better understand the erosional forces that cause oceanfront cliffs to crumble

Oluwaseyi at a Movie screening hosted by her organization in commemoration of Global Recycling Day 2021.

Smithsonian Voices

How Nigeria’s Oluwaseyi Moejoh’s Conservation Activism Is Spreading Across Africa and Beyond

The founder of U-recycle Initiative Africa, current law student, and all-around force for positive change is a powerful advocate for a sustainable planet

Dune Lankard is embracing a method called regenerative ocean farming.

Facing Warming Waters, Fishermen Are Taking Up Ocean Farming

Called regenerative ocean farming, this model involves growing shellfish and kelp in underwater gardens

This image from Seabed 2030 shows how much of the seafloor has been mapped, with black areas representing places without data yet.

Innovation for Good: Game Changers

Can Scientists Map the Entire Seafloor by 2030?

Two non-profit organizations are betting that with the help of research institutions, private vessels and new technologies, they can do just that

James Smithson was the Smithsonian’s founding donor, bequeathing approximately one ton of gold British sovereigns.

Smithsonian 175

Why Did James Smithson Leave His Fortune to the U.S. and More Questions From Our Readers

You’ve got questions. We’ve got experts

Head scientist at the Smithsonian Marine Station, Valerie Paul, collects blue-green algae samples to study the chemicals they emit. Those chemicals can endanger coral reefs, but also have biomedical potential.

Smithsonian Voices

How Algae Communicate

Smithsonian scientist Valerie Paul studies the ways marine biochemicals can potentially help restore coral reefs and create new biomedicine

The Algodón River flows through a forest of the Amazon Basin in the remote northeastern corner of Peru. Scientists collected and analyzed a series of ten roughly 3-foot-long soil cores from three sites, each located at least a half-mile away from river courses and floodplains.

Future of Conservation

In a Remote Amazon Region, Study Shows Indigenous Peoples Have Practiced Forest Conservation for Millennia

Smithsonian researcher Dolores Piperno says native people have always played an important role in sustainability

Orange scalefin anthias fish swarm in front of a fire coral in the Red Sea's Ras Mohammed Marine Park, Egypt.

Smithsonian Voices

Will the Oceans of 2030 Brim With Reef Robots and Other Fancy Stuff?

Imagine a world where an Indigenous fisher can get forecasts of local marine life from a smartphone, or robots offer real-time data on coral reef health

An artist’s illustration shows an asteroid hitting Earth. Large impactors hit the planet every one to three million years.

New Research of Impact Crater Blows Away Previous Estimates of Its Age

Scientists say the Boltysh crater in Ukraine formed well after the impact in Mexico that caused the dinosaurs to go extinct

Small family-run dive tour operations in Mexico have been found to give more back to their communities than large foreign-owned businesses.

In Mexico, Dive Tourism Is Worth as Much as Fishing

Researchers estimate diving and snorkeling bring in up to $725 million annually

Oil Spill #10, Oil Slick at Rip Tide, Gulf of Mexico, June 24, 2010 (detail) by Edward Burtynsky, 2010

The Sad Truths Behind These Unsettling Works of Art

A new exhibition reflects on the haunting aesthetics of human impact on the planet

This bison calf, standing in the doorway of a barn on the Blackfeet Reservation, is a symbol of hope for the Blackfoot people.

When the Bison Return, Will Their Habitat Rebound?

An effort to bring wild bison to the Great Plains aims to restore one of the world’s most endangered ecosystems

Combining carbon dioxide and calcium creates calcium carbonate rocks such as limestone.

To Combat Climate Change, Researchers Want to Pull Carbon Dioxide From the Ocean and Turn It Into Rock

Running seawater through an ocean carbon capture plant could chemically convert carbon dioxide to limestone on a grand scale

While this year’s Arctic sea ice extended further than last year’s, there still wasn’t as much of it as there was only two decades ago. Thinner and younger sea ice in winter and less ice in the summer are two of the many elements of the Arctic’s new reality.

Smithsonian Voices

Climate Change Redefines Meaning of Normal in the Arctic

As Earth’s climate changes, people around the world are witnessing insidious changes and responding to their new normal

Climate change is causing oceans to warm, which in turn affects fish and fishers. Now, scientists are turning towards management strategies to protect species and the industry.

Smithsonian Voices

Why Fish Are the Catch of the Day for Climate Research

Fishery management systems can teach scientists how fish can be raised sustainably in wild fisheries

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A Journey to the Northernmost Tree in Alaska

Explorer Roman Dial leads a team of young scientists on a mission to document a rapidly changing landscape

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