Wildlife

In Mexico's Monarch Butterfly Biosphere Reserve, America's most beloved native insect faces threats from illegal loggers and avocado growers.

New Research

The Best Way to Protect the World’s Forests? Keep People in Them

Instead of kicking indigenous groups out, let them continue to manage these lands effectively, argues a new report

The Risky Way a Polar Bear Attack Victim Confronts Her Fear

For Erin Greene, walking up to a polar bear requires even more courage than most of us can imagine

A Fertile Polar Bear's Hard Journey From Mating to Motherhood

After mating takes place, a female polar bear will prepare for her impending pregnancy by eating voraciously. In all, she will pack on more than 400 pounds

Turns out, the Arctic squirrels (Urocitellus parryii) on Chirikof Island, long believed to be an invasive species, were native.

The Invasive Squirrel That Wasn't

Everyone thought that the Arctic ground squirrel was an invasive species on this remote Alaskan island. A pair of scientists beg to differ.

Why the U.S. Army Guarded the 23 Remaining American Buffalo

In 1882, General Philip Sheridan's expedition to the protected buffalo haven in Yellowstone National Park revealed a gruesome reality

Needle drop is one of the traits plant scientists at the Christmas Tree Research Center at Dalhousie University are hoping to improve.

Can Science Produce a Longer Lasting Christmas Tree?

LED Christmas lights make the needles hold on longer, and other discoveries from the world’s only Christmas tree research center

Polar Bear Mom and Cub Accidentally Separated by a Car

A car horn outside Churchill, Manitoba, causes a curious polar bear mom and her cub to scurry in opposite directions

A Beloved Alpha Polar Bear Near the End of His Life

Saint Pete, as he's known by locals in nearby Churchill, Manitoba, is an elderly polar bear who's been visiting the town for decades

An Angry Hippo Charges a Trespassing Lion

A lion ventures into an area of the river that's part of a hippo bull's territory. The enraged hippo wastes no time in asserting his dominance

This Devoted Mother Is Also a Cockroach

Female giant burrowing cockroaches look after their young for up to six months. In an eight-year lifespan, they can produce around 150 young

Hippo Climbs Down a Steep Cliff...With Difficulty

A 15-foot male hippo carefully negotiates his enormous body down a sheer cliff. It's the shortest and most direct route to the water

Half of All North American Shorebirds Use This Rest Stop

Bottoms is the nation's largest inland marsh, an area of over 60 square miles. It's also the favored resting spot of many species of migrating birds

Spectacular Footage of a Butterfly Leaving Its Cocoon

The transition from caterpillar to butterfly is a process that consists of four stages: egg, larva, pupa, and adult

Canada

The Town That Polar Bears Built

Get to know the four-legged residents of Churchill, Canada

The shipworm, scourge of sailors everywhere, is actually a kind of ghostly saltwater clam.

How a Ship-Sinking Clam Conquered the Ocean

The wood-boring shipworm has bedeviled humans for centuries. What's its secret?

What Really Killed Off the Woolly Mammoth?

What caused woolly mammoths to die-off so quickly? New evidence suggests an unfavorable climate may have drove them to extinction

With its peace accords up in the air, the Colombia's diverse ecosystems face an uncertain future. Shown here: the valley of Cocora near Salento, Colombia.

How Colombia's Failed Peace Treaty Could Wreak Havoc on Its Diversity-Rich Ecosystems

A potential influx of legal and illegal mining leaves the country's megadiverse landscapes—and the communities who depend on them—in jeopardy

Erich Fitzgerald and Tim Ziegler with a 3D model of Alfred's skull.

New Research

The Earliest Baleen Whales Literally Sucked

No offense to toothy whale ancestors

Caribbean spiny lobster on a sea fan off the coast of Honduras

Proposed New Marine Reserve System Offers Rosy Outlook for Both the Lobster and the Lobster Fisherman

With the help of a supercomputer, Smithsonian scientists figure out how to help the lobster fishery off the coast of Honduras

Watch This Mother Tick Lay 1,500 Eggs

The birthing process for a female tick is very involved. Once she's matured, she can take up to 20 days to lay her eggs

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