Animals

This jaguar was spotted by a wildlife camera in Arizona.

America’s Only Known Jaguar May Not Be Alone Anymore

Perhaps "El Jefe" isn't so lonely after all

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

A flock of snow geese safely land on a lake at the Bombay Hook National Wildlife Refuge in Delaware.

Thousands of Snow Geese Die at Abandoned Pit Mine

Despite attempts to scare them away, thousands of geese landed on the acidic Berkeley Pit, which is full of toxic heavy metals

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

"Dude, I thought he said he'd be here at 4."

How Cheetahs “Spot” Each Other

Cheetah meetups: In a novel study, researchers show that roaming cheetahs likely use their noses to seek each other out after weeks apart

Bathochordaeus charon

Scientists Finally Spot Giant, Slimy Sea Blob First Found Over a Century Ago

Discovered in 1899, the creature recently popped up in Monterey Bay

The Town That Polar Bears Built

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

Archeologists Discover Nearly 2,000-Year-Old Pet Cemetery in Egypt

Containing 100 lovingly positioned creatures, the site suggests that the ancients could have valued their companion animals as much as we do

Showy traits, like the large antlers of these bull moose, can be detrimental to an animal's health.

Go Big or Go Generic: How Sexual Selection Is Like Advertising

When it comes to attracting mates, it pays to either go all out—or not try at all

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?

Turtle grass may rely on tiny crustaceans as pollinators.

Meet the Newly Discovered Pollinators Under the Sea

The tiny crustaceans are challenging previous assumptions about how plants grow underwater

How does a bear catch a break around here?

Decades-Old Chemicals May Be Threatening Polar Bear Fertility, As If They Didn’t Have Enough to Worry About

A new study sheds light on how today's pollutants could become tomorrow's threats to wildlife and humans

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

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

The Earliest Baleen Whales Literally Sucked

No offense to toothy whale ancestors

"I will never forget that you did this to me."

Dogs May Possess a Type of Memory Once Considered 'Uniquely Human'

New research suggests that man’s best friend remembers more than we thought

Coconut Crab's Pinch Among the Strongest in the World

The unusual crustacean's pincer rivals the bite of a lion

Polar Bear Mom Protects Her Cubs From a Hungry Male

As they embark on their long summer migration, a polar bear mother and her cubs need frequent breaks, putting the cubs at risk

The genetically modified Oncomouse has played a big role in the study and treatment of cancer.

The First Patented Animal Is Still Leading the Way on Cancer Research

Oncomouse was a genetically engineered animal designed to help scientists learn more about tumors

Two captive Przewalski’s horses at the Smithsonian Conservation Biology Institute's center in Fort Royal, Virginia

How Conservationists Use GPS to Track the Wildest Horses in the World

These horses' wildness makes them unique. It also makes them uniquely difficult for researchers to monitor and track

This whale is on is own sightseeing tour.

New York’s Upper West Side Has Its Own Whale

The mammal is on what seems to be an epic tour of Manhattan

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