Mammals

Researchers say some of this woolly rhino's internal organs may still be preserved.

Melting Russian Permafrost Yields New Woolly Rhino Specimen

Russian researchers say this may be the best-preserved woolly rhino ever found

Taxidermied bare-nosed wombats glowing under a black light at the Western Australia Museum.

Wombats and Tasmanian Devils Glow Under Ultraviolet Light

Preliminary experiments suggest even more species of mammals may possess the UV glow

A male bottlenose dolphin used in the study, seen here with electrocardiogram suction cups attached to monitor its heart rate.

Dolphins May Be Able to Control Their Heart Rates

New study finds trained dolphins slow their hearts faster and more dramatically when instructed to perform long dives than short ones

The planets in our solar system all orbit the Sun in one shared plane.

Why Do the Planets All Orbit the Sun in the Same Plane?

You've got questions. We've got experts

An artist's rendering of the 250-million-year-old animal Lystrosaurus in a hibernation-like state.

Hibernation May Be a 250-Million-Year-Old Survival Trick

Paleontologists studying this strange creature’s tusks say they’ve found evidence the animal slowed its metabolism during hard times

A fox in Germany (not pictured here) spirited away more than 100 shoes.

Sole-Searching, Shoe-Swiping Fox Caught in Germany

The crafty urban dweller built a colorful collection of footwear dominated by Crocs

On the shores of Pechevalavato Lake in Russia's Yamalo-Nenets region, people dig for more pieces of a mammoth skeleton first found by reindeer herders.

Woolly Mammoth Skeleton With Intact Ligaments Found in Siberian Lake

Part of the extinct animal's foot was recovered from the water with well-preserved, millennia-old soft tissue

In Africa, ivory has been a status symbol because it comes from elephants, a highly respected animal, and because it is fairly easy to carve into works of art.

Why Is Ivory So Precious? And More Questions From Our Readers

You’ve got questions. We’ve got experts

Steller sea lions sitting on rocks on the shore of Campbell River in British Columbia, Canada.

Headless Sea Lions Are Washing Up in British Columbia

Biologists and local beachgoers who have encountered the decapitated marine mammals suggest humans may be to blame

Otters get fidgety when they're hungry.

Otters 'Juggle,' but the Behavior's Function Remains Mysterious

The animals seem to fidget more when they are hungry

The Melbourne Zoo welcomed three baby snow leopard cubs in February.

Celebrate Mother's Day With Nine Baby Animal Livestreams

This Sunday, celebrate the moms of the animal kingdom with kittens, polar bear cubs, eaglets and more

Adalatherium hui's strange teeth made it especially difficult to classify.

66-Million-Year-Old 'Crazy Beast' Finds a Taxonomical Home

The opossum-sized mammal lived in Madagascar at the end of the age of the dinosaurs

In total, the team’s analysis covered 134 populations and 101 species, including lions, orcas, reindeer, and squirrels.

Females Live Longer Than Males—Among Humans and Other Mammals, Too

A sweeping new study of 101 mammal species found that females live, on average, 18.6 percent longer than their male counterparts

A female wolverine roams the Arctic tundra at the edge of the Brooks Range, on Alaska’s North Slope. 

Why Wolverines Are the Arctic Animal We Love to Hate

Scientists brave the deep snows and frigid cold of Arctic Alaska to study one of its most furtive and ferocious denizens

Oscillations originating deep inside the sun become detectable only on the surface.

How Do Scientists Record Sounds From the Sun? And More Questions From Our Readers

You’ve got questions, we’ve got experts

A melanistic Indian leopard in Nagarhole National Park.

Why Are Black Leopards So Rare?

Several species of cat have members with all-black coats, but the evolutionary advantages and disadvantages are just starting to be understood

CGI rendering of ancient Loxolophus mammal taken from the PBS NOVA special, Rise of the Mammals. In this recreation, Loxolophus scavenges for food in the palm dominated forests found within the first 300,000 years after the dinosaur extinction.

Fossil Site Reveals How Mammals Thrived After the Death of the Dinosaurs

Recent discoveries highlight how mammals lived before and after the asteroid impact that triggered the world's fifth mass extinction

An aye-aye lemur.

Extra Thumb Discovered on Aye-Aye Lemurs, Giving These Primates Six Fingers

Used for gripping limbs, a “pseudo-thumb” makes the hands of these bizarre primates even creepier

Let the battle of the bulge commence

Holly Cow! Fattest Bear of Them All Claims Coveted Title

For #FatBearWeek2019, the furever fabulous 435 Holly reigns triumphant

Too cute to be nameless.

Help the Shedd Aquarium Name Its Rescued Otter Pups

The aquarium hopes the contest will help raise awareness about southern sea otters’ ongoing conservation needs

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