Scenes from Territorio De Zaguates.

This Costa Rican Paradise Shelters Over 1,000 Stray Dogs

A photographer documents scenes from Territorio De Zaguates, a converted farm in the Santa Bárbara mountains that’s giving abandoned dogs a second chance

A Sickly Paleolithic Pupper Only Survived Because of Human Help

The canine wouldn’t have been a good hunter, hinting early humans may have loved their pets for more than athleticism

When it comes to ancient remains, isotope analysis could help scientists separate dogs from wolves.

New Research

Dogs and Humans Didn’t Become Best Friends Overnight

First, we feared and ate them, a new isotope analysis reveals

Riley, future bug-cop.

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Meet Riley, the Puppy Training to Sniff Out Bugs in Boston’s Museum of Fine Arts

The Weimaraner will inspect incoming artwork for beetles, moths and other critters that can damage museum collections

The Ten Best Science Books of 2017

These books not only inspired awe and wonder—they helped us better understand the machinations of our world

New Research

This Rock Art May Be the Earliest Depiction of Dogs

The carvings are between 8,000 and 9,000 years old and hint that the creatures may already be heading toward domestication

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Understanding the Doping Controversy That’s Hit Sled Dog Racing

Four-time Iditarod champion Dallas Seavey’s dogs tested positive for banned substances, but Seavey claims it was sabotage

When they know humans are looking at them, dogs turn out to make a lot of facial expressions

Fido’s Making That Puppy Face on Purpose—He’s Trying to Tell You Something

A new study suggests dogs use their facial expressions to communicate

New Research

Why Wolves Work Together While Wild Dogs Do Not

Contrary to popular belief, domestication has made dogs less likely to cooperate to get food than wolves

New Research

Is Animal Hoarding a Distinct Mental Disorder?

There are many differences between people that hoard objects and those that collect critters

A late 19th century photograph from Antwerp, Belgium shows a typical milk cart pulled by dogs.

Four Weird Ways Dogs Have Earned Their Keep

From pulling milk carts to herding reindeer, dogs have had some odd jobs

New Research

Gesundheit! African Wild Dogs Sneeze to Vote on Group Decisions

A new study found that the more the pooches sneeze, the more likely they are to set off on a hunt

Using stiff collars to help a guide dog user communicate with their dog has been around since the 1800s.

The Cuddly Tail of Guide Dogs

Dogs have been assisting blind humans for a very long time, but the arrangement only became formal recently

A captive wolf greets a stranger in an experiment testing the sociability of dogs and their ancestors

What Makes Fido So Friendly? It Could Be Genetic

Mutations in several genes linked to hypersocial behavior in people may have helped along canine domestication

One wave of domestication or two? The debate rages on.

New Research

New Study Has a Bone to Pick With Dog Domestication Findings

Contrary to past research, a new DNA study suggests fido was only tamed once

Who are you calling fat?

New Research

One in Three American Pets Is Pudgy

Is your kitty curvaceous? It’s not the only one

New Research

Puppy Pics May Add Spark to Struggling Relationships

A new study asked couples to look at photo streams that paired images of their spouses with pictures of pooches

I can haz a sense of inequity?

New Research

Wolves and Dogs Both Have a Sense of Fairness

But wolves seem to take inequity much more seriously than dogs

The new rule also bans breeds like the Tibetan Mastiff, pictured here.

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Chinese City Institutes One-Dog Policy

Officials in Qingdao say they are trying to limit the amount of disturbance caused by an ever-growing pooch population

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