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Dogs

Both the Czechoslovakian wolfdog and the chihuahua have some recent wolf DNA, a new study suggests.

A DNA Analysis of Almost 3,000 Canines Suggests That Most Dogs Have a Little Wolf in Them

The two subspecies split about 20,000 years ago. But since then, they may have interbred more often than Smithsonian scientists thought

Previously, researchers assumed that much of modern dogs' diversity emerged during he past few centuries.

New Research

Dogs Have Been Surprisingly Diverse for More Than 10,000 Years, New Research Suggests

Two studies provide scientists with a more comprehensive understanding of how early dogs were domesticated as they migrated around the world alongside humans

A new study investigates addiction-like behaviors in dogs.

Does Your Dog Love Chasing a Ball? Study Suggests Dog Toy ‘Addiction’ Is Real

The research documents addiction-like tendencies in canines, offering scientific evidence that appears to support owners’ own observations

In The Night Watch, Rembrandt included a small dog crouching in the shadows.

Cool Finds

The Mystery of the Small Dog in Rembrandt’s Monumental Masterpiece ‘The Night Watch’ Has Officially Been Solved

When a curator spotted a strikingly similar image of a dog by a lesser-known Dutch artist, she wondered if it could have inspired the pup in Rembrandt’s famous 1642 painting

Ecological scent detection dog Circe searches for Canelo Hills ladies’ tresses in the tall vegetation

This Rare, Endangered Orchid Only Exists in Two Locations. Can Dogs, Cows and Fungi Help It Thrive?

A Smithsonian ecologist is trying to restore the plant, Spiranthes delitescens, which grows on Arizona’s sky islands

Yagi (left) and Quinn (right) are searching for evidence of critically endangered Sumatran rhinos in Indonesia's Way Kambas National Park.

Two Sniffer Dogs Might Have Just Found a Lost Population of Critically Endangered Rhinos

Yagi and Quinn identified scat that was likely left by a Sumatran rhinoceros in Indonesia’s Way Kambas National Park, where scientists thought the animals had disappeared

Strongheart “was kind of a Jean-Claude Van Damme, Arnold Schwarzenegger [type] action hero,” says film studies scholar Kathryn Fuller-Seeley. 

Strongheart the German Shepherd Catapulted to Fame for His Heroics in Silent Films. Later, Spiritualist Writings Immortalized Him in Death

The beloved dog starred in six movies during the Roaring Twenties. After Strongheart died in 1929, author J. Allen Boone chronicled their enduring connection in a pair of nonfiction books

A handler holds her Chihuahua dogs in the grooming area at the 149th Annual Westminster Kennel Club Dog Show at Jacob K. Javits Convention Center on February 10, 2025, in New York City. 

How One Chihuahua Proved to Be a Link to the Ancient Dogs That Moved to Latin America With the Spread of Agriculture

New research shows that ancient dogs did not join Indigenous people in Central and South America until farming became popular—especially of maize

Artist illustration of a pack of Borophagus secundus

What Happened to the Bone-Crushing Dogs That Once Hunted Across North America?

Before going extinct roughly two million years ago, canids known as borophagines took down and consumed much larger prey

Boston terriers are said to be affectionate with human family members, good with children and playful.

Smithsonian Photo Contest Galleries

Celebrate Man’s Best Friend With These 15 Photographs of Good Dogs

Delight in dogs with snapshots from the Smithsonian Magazine Photo Contest

Ziggy (dog) and Rozi (cheetah) play with a stuffed animal at the Taronga Western Plains Zoo Dubbo in Australia.

A Lonely Cheetah Cub at an Australian Zoo Now Has an Unlikely ‘Best Friend’—a Puppy

While the companionship might seem surprising, zoos have been pairing sibling-less cheetah cubs with dogs for decades to improve their socialization

A new study suggests dogs engage differently with TV programs based on their personalities.

How Do Dogs Watch TV? That Might Depend on Their Personalities, New Research Suggests

A survey-based study reveals how different dogs react to elements on TV, suggesting that personalized television enrichment could support animal welfare in shelters or at home

As our companions, dogs are often exposed to the same carcinogens as us.

How Cancer Research for Dogs Is Helping Improve Treatment for Pets and Humans Alike

Canine and human cancers bear many similarities, and studies on dogs are helping advance care for our furry friends and for us

Greenlandic sled dogs, also known as Qimmit, play while resting.

Greenland Sled Dog DNA Reveals a Story of Human Migration and Ancestry of the Unique Breed

Researchers analyzed ancient and modern genetic samples of the Greenlandic Qimmit breed to shed light on the long relationship between the Inuit and their dogs in the Arctic

Metal detectorists found the grave two years ago on Senja, an island in northern Norway.

This Viking Woman Was Buried With a Small Dog at Her Feet 1,000 Years Ago

Archaeologists unearthed the burial site during excavations in Norway. They say the discovery provides unique insights into the bonds humans form with their animals

Pearl (left) is a 4-year-old Chihuahua, while Reggie (right) is a 7-year-old Great Dane.

When Reggie, the World’s Tallest Dog, Met Pearl, the World’s Shortest Dog

He was a massive Great Dane. She was a pint-sized Chihuahua. During one adorable playdate, the two superlative pups became fast friends

Before she went missing on Kangaroo Island, Valerie slept in bed with her human parents and enjoyed spending time indoors.

Good News

Valerie the Miniature Dachshund Has Been Rescued After Surviving for 529 Days on a Rugged Australian Island

The eight-pound pup is now decompressing after her epic adventure in the wilderness, a feat rescuers say was “just incredible”

Romulus and Remus, pups that the company Colossal Biosciences says are the first dire wolves to roam the planet in several thousand years, are seen at one month old.

Have Dire Wolves, Which Went Extinct More Than 10,000 Years Ago, Really Been Brought Back to Life?

Pioneers in the science of “de-extinction,” an American company has announced the births of three pups whose genes resemble those of a species that hasn’t roamed Earth for millennia

Valerie was just a year old when she went missing on Kangaroo Island off the coast of South Australia.

This Eight-Pound Miniature Dachshund Survived 16 Months on a Rugged Australian Island. But She’s Still Evading Rescuers

Valerie the wiener dog is still on the loose, more than a year after she escaped during her parents’ vacation on Kangaroo Island

Togo and his owner, musher Leonhard Seppala, in 1927

Discover Alaska

This Heroic Dog Raced Across the Frozen Alaskan Wilderness to Deliver Life-Saving Medicine—but His Contributions Were Long Overlooked

Togo, not Balto, was the driving force behind the 1925 Serum Run to Nome, which found teams of mushers and sled dogs delivering antitoxin to children suffering from diphtheria

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