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Dogs

A dog walks through a favela in Recife, Brazil. Many such poor urban areas in the country are hotbeds for visceral leishmaniasis.

Dogs Infected With a Deadly Human Parasite Smell Better to Insect Vectors

New research suggests female sand flies that pass the protozoa that causes visceral leishmaniasis to humans are attracted to affected canines

Some of the animals—including this dog—were buried in pieces of pottery.

Cool Finds

Is This 2,000-Year-Old Egyptian Burial Site the World’s Oldest Pet Cemetery?

Excavations show how humans treated cats, dogs and monkeys in first- and second-century Egypt

The dogs moved off a mat that had a toy attached to it, showing that dogs may understand their body size and where they are in the environment when solving a task.

Dogs May Be More Self-Aware Than Experts Thought

In a new study, canines recognized how their bodies took up space and moved to complete a task

A piece of bone labeled PP-00128 was thought to belong to a bear until DNA analysis revealed it came from a dog.

Ancient DNA Reveals the Oldest Domesticated Dog in the Americas

A 10,000-year-old dog bone was found in an Alaskan cave near a site with human remains

All dogs with the genetic signature A2b descended from the same Siberian canines roughly 23,000 years ago

How Dogs Migrated to America From Ice Age Siberia 15,000 Years Ago

Northern Siberians and ancestral native Americans may have traded pups at the time

A bent metal rod discovered in the grave was likely a dog toy.

Cool Finds

2,000-Year-Old Grave of Child and Puppy Found in France

The dog, outfitted in a collar with a bell, was placed next to the 1-year-old’s feet

An artist's illustration of two gray wolves (lower left) vying with a pack of dire wolves for a bison carcass near the tar pits in Rancho La Brea roughly 15,000 years ago.

New Research

Dire Wolves Weren’t Actually Wolves, DNA Analysis Reveals

Ancient DNA extracted from fossils shows the beast split off from Canis lupus and coyotes nearly 6 million years ago

Seen here, conservation canine Betty White sniffs the ground while she trains to search for bumble bee nests.

Meet Ernie and Betty White: Two Conservation Dogs Sniffing Out Invasive Species in Wisconsin

These aren’t the only Labradors using their powerful sense of smell to aid in wildlife preservation efforts

The snack bars depicts a Nereid riding a sea-horse.

Ancient Pompeiians Stopped at This ‘Snack Bar’ to Feast on Snails, Fish and Wine

Archaeologists have uncovered food remnants at one of the city’s fast food joint, called thermopolia, where hungry ancients grabbed quick meals

Two sequential photos showing a kangaroo alternating its gaze between a box full of food it can't open and a human.

New Research

Kangaroos Communicate With Humans Like Dogs in Experiments

The study suggests people may have previously underestimated the communication abilities of other non-domesticated species

Denali's dogsled teams mush for weeks at a time to the far-flung corners of a park that stretches over 6 million acres.

How Denali National Park’s Sled Dogs Prepare for Winter

For nearly a century, park rangers have relied on dogsledding to patrol the public land and collect data for scientists

About two dozen dogs were removed from the study because they were too excited and couldn't provide clear data.

New Research

Dogs Can’t Tell the Difference Between Similar-Sounding Words

Sit, sat or set? It’s all the same to Fido as long as you give him a treat

Writer and photographer Paul Koudounaris' new book, A Cat's Tale, finds his pet kitty, Baba, channeling famous and little-known felines from history.

A History of Felines, as Narrated and Illustrated by a Cat

Baba the cat is both storyteller and photographic model in what is perhaps the most unique cat history book ever published

An American dog tick (Dermacentor variabilis) on a human finger.

New Research

Higher Temperatures Make Some Ticks Pick Humans Over Dogs

The study’s results suggest certain tick-borne diseases could become even more prevalent as climate change heats up the planet

Border collie Chaser had the largest tested word memory of any animal (other than a human).

The Most Famous Dogs of Science

These iconic canines have helped scientists make key discoveries, from archeological finds to cures for disease

Winston, a 100-pound longhaired German shepherd, is a veteran participant in a series of research projects at Yale.

The New Science of Our Ancient Bond With Dogs

A growing number of researchers are hot on the trail of a surprisingly profound question: What makes dogs such good companions?

A genetic analysis revealed that by the end of the last ice age—around 11,000 years ago—there were a least five distinct lineages that gave rise to dogs in New Guinea, the Americas, northern Europe, the Near East and Siberia.

How Dogs and Humans Evolved and Migrated in Tandem

Our relationship with pups spans millennia, and new DNA analysis shows just how much people influenced canine evolution

Tourigny analyzed gravestones from four large pet cemeteries in the United Kingdom, including the People's Dispensary for Sick Animals.

New Research

Pet Cemeteries Reveal Evolution of Humans’ Relationships With Furry Friends

By analyzing a thousand tombstones, an archaeologist revealed how animals evolved from companions to family in just 100 years

Researchers studying how dog respond to human and dog faces found no difference in brain activity when domestic dogs were shown the back of a dog or human head compared to a dog or person's face.

New Research

Dog Brains Don’t Appear to Pay Special Attention to Faces

Researchers find dog brains show similar levels of activity when shown the back of a dog or person’s head compared to a dog or human face

So far, there are no cases of pet-to-human transmission of the coronavirus, and human-to-pet transmission seems rare.

New Research

New Study Finds Dogs May Not Spread Covid-19, but Cats Can Pass It to Each Other

A study of ten animals tested their reaction to the viral infection and whether transmission followed

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