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In recent research on Santa Rosa Island off the coast of Southern California, isotope readings of carbon and nitrogen found in the bones of Chumash Indians and domestic dogs excavated from archaeological sites show that both humans and dogs have nearly identical signatures of stable isotopes.

The post Ancient bond between humans and dogs revealed in isotopic signatures of their bones appeared first on Smithsonian Insider.

Osteoarthritis in dogs is a serious and painful malady that effects many breeds. Recently Janine Brown, a biologist at the Smithsonian Conservation Biology Institute in […]

The post X-ray fluorescence shines new light on arthritis in dogs appeared first on Smithsonian Insider.

One out of every four dogs and cats in the western world is now obese. Like humans, dogs and cats that are obese run a higher risk of developing diabetes, heart disease, or other health problems.

Your canine companion shows affection in many ways. You just have to know what to look for. Here's how your dog says I love you.

The head of the Catholic Church recently said 'Paradise is open to all of God’s creatures.'

Avoid harsh chemicals on your pet with these natural methods for pet flea prevention and treatment.

A fitness studio and animal shelter team up to help rescue cats — and have fun doing yoga together.

Scottish study finds that music helps dogs in kennels relax, especially if it's reggae and soft rock.

Gilbert High School seniors in South Carolina are raising money to get service dogs to veterans with PTSD.

"Isle of Dogs,"Wes Anderson's new stop-motion animated film about teens coming to the rescue unintentionally parallels real-life movements in the U.S.

Officials determined the color is caused by pollution in the nearby Kasadi river, and shut down a factory accused of dumping dye.

Dogs and cats can't help themselves when you unroll the yoga mat. They either participate or just get in the way.

Thomas Panek just became the first blind runner to complete the NYC Half Marathon with guide dogs.

Climatologist documents Greenland's warming conditions with a photo of sled dogs splashing in meltwater on top of sea ice.

There were so many adorable puppies entered in the Green Dog of the Year Contest, that we couldn't resist! Here's a gallery of 10 green puppies.

Check out the top entries from MNN's Green Dog of the Year Contest!

Dogs have incredible senses and are like superheroes on four legs. Take this quiz to test your canine know-how.

The endangered African wild dog has a nose for democracy, according to a study, which explains how the dogs "vote."

A team of veterinarians use tilapia skin as a healing bandage on their paws.

A street dog named Mera tagged along with a expedition and climbed 23,389-foot Baruntse, a mountain in Nepal.

Obama chooses Portuguese water dog for the White House. Finally. Now, let's go turn the presidential pooch green.

A new study finds dogs rush in — but stay calm — when they hear their human crying.

Giant African snails have invaded the Galapagos, but two rescued dogs are sniffing them out and helping researchers fix the ecology of the islands.

We chat with co-hosts David Frei and John O'Hurley to get a behind-the-scenes look at this year's event.

Sometimes a Facebook post or a tweet can make all the difference for a shelter dog.

These cute canines are so popular that they're giving all those Internet-famous cats a run for their kibble.

Mosaic dog portraiture (courtesy of artist William Wegman and his Weimaraners) comes to 23rd Street in Manhattan.

Actor allegedly smuggled his 2 pups in via private jet, generating euthanasia threats from Australian biosecurity officials.

Meghan Markle, who just got engaged to Prince Harry and will be joining the royal family, has developed a passion for saving pups in need.

Famous people understand dogs as well as the rest of us.

Scientists hope a new vaccination campaign will give Ethiopian wolves a fighting chance at survival.

From cancer to migraines and even seizures, dogs can give us a heads up about a range of human diseases.

More states are cracking down on owners who falsely call their pets service animals.

These photos of service dogs went viral after part of their training took place at a play at the Stratford Festival in Canada.

For dog-lit author Flora Kennedy, dogs can be the harshest — and sweetest — critics.

Euthanasia rates have dropped dramatically at animal shelters across the U.S.

This explore.org film shows how service dog Abby and others helped in the aftermath of Sept. 11, 2001.

We've gone doodle dog crazy. Did you know there are dozens of these hypoallergenic mixes? Learn surprising facts about Schnoodles, Whoodles and doodles. Oh My!

Photographers Kelly Pratt and Ian Kreidich capture ballet dancers and dogs in playful moments together.

Jerky dog treats made in China have been linked to 1,000 dog deaths and illness in three people.

NN and Eukanuba are looking for the Green Dog of the Year. Enter your dog for a chance to win a year's supply of Eukanuba Naturally Wild Formula

When Hurricane Dorian hit the Bahamas, this rescuer opened her home to nearly 100 dogs.

Research suggests that man's best friend has learned to capitalize on our preference for big, sad eyes.

From aiding search-and-rescue missions to lending a shoulder to cry on, man's best friend can often be found at the site of tragedy.

These burrowing rodents build their own towns, they help the environment, and they even talk about us.

When I traveled to Africa, I couldn't resist photographing all the street dogs of Morocco.

Packed full of unhealthy nitrates, processed meats like hot dogs and bacon harbor health risks you should know about.

The company that brands itself as kosher is now being sued by some of its customers who claim it actually isn't kosher.

Thanks to doggie wheel carts, these canines are able to get around without the use of their back legs. Watch them fetch, play and cavort!