Science

In 1980, the Viking Orbiter took 102 individual images of Mars that scientists eventually assembled into this stunning composite photo. The dark gash across the planet’s face is the Valles Marineris, a canyon that’s up to 6 miles deep and over 2,500 miles long.

The Seven Most Amazing Discoveries We’ve Made by Exploring Mars

Scientists have learned a lot since they started sending crafts and rovers to our red neighbor

The Pyramid Texts cover walls within the pyramids of King Unis (shown here) and other royals at the site of Saqqara.

Did Ancient Egyptians Know Meteorites Came From Space?

Hieroglyphic texts suggest they understood the rocks, which contained valuable iron, did not originate on Earth

An illustration of the Homo erectus child with her mother in the Ethiopian highlands, two million years ago

Two Million Years Ago, This Homo Erectus Lived the High Life

Dating of a child's fossilized jaw and teeth suggest our relatives lived at altitude earlier than once thought

Mass Audubon's science coordinator Mark Faherty examines a horseshoe crab in Pleasant Bay, where he has conducted research on them for years.

New Synthetic Horseshoe Crab Blood Could Mean Pharma Won't Bleed the Species Dry

The “living fossils” have been vital for testing intravenous drugs, but a few large pharmaceutical companies are using a lab-made compound instead

One of the first toothed birds ever discovered, Hesperornis paddled with its hind feet to hunt fish and evade marine reptiles in warm, Cretaceous seas.

During the Age of Dinosaurs, Some Birds Sported Toothy Grins

The often overlooked animals thrived for millions of years

A silky anteater, small enough to sit comfortably in your palm, rests in the canopy of a mangrove forest in Brazil’s Parnaíba Delta.

This Fluffy Little Anteater May Be a New Species

The animals eke out a living in a pocket of mangroves on Brazil’s Atlantic coast

Fossilized footprints in White Sands National Park

North America's Oldest Known Footprints Point to Earlier Human Arrival to the Continent

New dating methods have added more evidence that these fossils date to 23,000 years ago, pushing back migration to the Americas by thousands of years

Could this innovation provide a solution to one of our era’s biggest scourges?

Scientists Have Created Synthetic Sponges That Soak Up Microplastics

Made from starch and gelatin, the biodegradable sponges remove as much as 90 percent of microplastics in tap water and seawater

The illegal trade of wildlife may include animals or plants, or parts of them, such as roots, stems, skin, bones or antlers.

A Look Inside Wildlife Crime Scene Investigators

Scientists are using the latest in DNA fingerprinting to combat the multibillion-dollar business of trafficking plants and animals

Male elephant seals can weigh up to 4,400 pounds.

How This Small Nonprofit Helped Save California’s Elephant Seals

Volunteers with Friends of the Elephant Seal educate tourists to prevent conflicts, inspire awe and keep the marine mammals safe

Artistic reconstruction of a group of hominins in direct competition for carrion with a hyena

One Million Years Ago, Our Human Relatives May Have Challenged Giant Hyenas for Carcasses

Groups of hominins might have successfully scavenged large kills, new modeling finds

Great white sharks were once abundant in South Africa’s False Bay and Gansbaai regions. But now, they appear to have ventured to safer waters elsewhere.

Where Did South Africa's Missing Sharks Go?

After a spate of orca attacks spooked the fish, they have now been found

Many species of insects work together to ensure safety while on the move or to defend their homes.

Four Unusual and Amazing Ways That Insects Team Up

The invertebrates create elaborate structures to escape danger and shimmer in synchronized performances to confuse predators

The James Webb Space Telescope will help scientists look for signs on life on other planets.

What Would Signal Life on Another Planet?

Astronomers have long debated what kind of chemistry might serve as a bona fide alien biosignature

A mountain gorilla seemingly enjoys a moment of solitude in the Bwindi Impenetrable Forest, surrounded by orange, yellow and green leaves.

Smithsonian Photo Contest Galleries

Celebrate World Gorilla Day With 15 Primate Pictures

These highlights from the Smithsonian Magazine Photo Contest feature our close “cousins”

Consumer products made from carbon capture can't undo the damage we’ve done to our planet—but each of them exists thanks to innovations that could. 

Little Luxuries Made With Captured Pollution Hint at Big Frontiers in Climate Science

Entrepreneurs are using jewelry, fragrances and clothing to demonstrate what’s possible with repurposed carbon—and environmentalists have questions

Why can't we stop anthropomorphizing our animal friends and foes?

There's More to That

Are Wild Animals Really Just Like Us?

A summer of news reports about orca, otter and bird “attacks” has the public wondering if trying to understand animal behavior in human terms is misguided

BirdCast’s newest advances provide detailed flight forecasts of millions of birds.

Four Amazing Impacts of This A.I.-Powered Bird Migration Tracker

A reimagined tool called BirdCast is helping birders, scientists and even farmers

An artist’s illustration of Quetzalcoatlus flying

How Pterosaurs Might Inform the Next Generation of Flight

After paleontologists cracked the secrets of the ancient flying reptiles, researchers are thinking about how to harness their methods

An Azores bullfinch feeds on the buds of a native tree on São Miguel Island in the Azores.

Planet Positive

One of Europe’s Most Endangered Birds Is Bouncing Back

Twenty years of habitat restoration has helped the once critically endangered Azores bullfinch

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