An American alligator

Wild Things: Life as We Know It

America’s oldest primate, ocean dead zones and alligator lungs

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Who’s Laughing Now?

Long maligned as nasty scavengers, hyenas turn out to be protective parents and accomplished hunters

Dr. Murray operates on one of the Zoo’s gorillas.

On the Job: Zoo Veterinarian

Suzan Murray talks about making house calls at the nation’s zoo

The Hoover Dam in 1933

Excessive Withholding

Household items made of various types of plastic

Cut Your Use of Plastic, Plastic, Plastic

Recycling isn’t enough

Kitchen with stove and oven of a Roman inn (Mansio) at the Roman villa of Bad Neuenahr-Ahrweiler, Germany

Green Your Kitchen

A Thirsty Nation

What can you do to reduce water consumption?

A schematic of modern thermohaline circulation.

Expand Your Eco-Influence

What can you do to reduce water consumption?

Carbon Blob Eats US!

What can you do to reduce water consumption?

Separated from his pod along the Pacific Coast, Luna befriended the people of remote Nootka Sound on the western shore of Canada’s Vancouver Island.

Befriending Luna the Killer Whale

How a popular Smithsonian story about a stranded orca led to a new documentary about humanity’s link to wild animals

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Q&A - Ed Begley, Jr.

Actor and environmental activist Ed Begley, Jr. talks about living green

Bottles washed up on a beach

The Trouble with Bottled Water

Elizabeth Royte reflects on the backlash against commercializing a natural resource and responds to reader comments

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Wild Things

Life as We Know It

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Into the Void

Unraveling an astronomical mystery… and a presidency

Homing In on Black Holes

To gain insight into the most mysterious objects in the universe, astronomers shine a light at the chaotic core of our Milky Way

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