Size differences didn't cause any issues when the world's tallest and smallest dogs met up for a playdate last month

The dashing dachshunds descended upon Budapest in an attempt to fetch the record for the largest single-breed dog walk.

The animal league is partnering with 2,000 shelters and rescue groups to get hundreds of dogs, cats, puppies and kittens adopted.

A great dane that holds the record of world's tallest living dog and stands over 3 feet tall got a visit from his short counterpart -- a chihuahua that stands under 4 inches high.

Pennsylvania Attorney General Dave Sunday announced on Monday charges against Jacob Vereb, owner of Vereb Funeral Home and Eternity Pet Memorial in Pittsburgh, Pennsylvania.

Authorities have rescued a total of 152 dogs living in “extremely poor” conditions from a house in Utah, officials said.

In 2011, astrophysicist Neil deGrasse Tyson visited Chaser, a dog who lived with a retired psychology professor in South Carolina.

When Mowgli first arrived at his new foster home in In Melbourne, Kentucky, he would not leave his crate with humans around, but his foster family from Cleo's Legacy refused to give up on him.

Astronaut Suni Williams spent an unexpected nine months in space. When she finally came home, her two dogs were so excited to see her. "Best homecoming ever," she captioned the video.

An animal sanctuary owner and roughly 100 cats died in a fire on Long Island on Monday, according to officials.

According to his owner, Pebbles gets a few deer baths a week!

Broxi, the energetic black Labrador, literally jumps for joy as he greets people.

We'd want to give this dog gifts every day.

Bianca captured the delightful reaction of her sister's dog, Rex, while tending to his ear after an ear infection.

Dennis the Pomchi is so over it!

Thomas Kelly's family wanted to bring some cheer back into his life after his mom died a few months ago and decided a puppy would be the perfect way to surprise him.

Veterinarian Dr. Adam Christman and his dog Capone join “GMA” with helpful tips to help your pets during allergy season.

Army Ssg. Kristin Vanderzanden and Frenky, an explosives-detection German shepherd, served together as an inseparable team and were recently reunited in an emotional reunion. 

According to owner Scott Good, Broxi "does this all the time, no matter if I leave the house for five minutes or five days."

Sean Lowe opened up about an attack from his rescue dog that left him injured.

The American Kennel Club has named the top three dog breeds of 2024.

Golden retrievers, Labrador retrievers and French bulldogs take the top spots for the year.

A new study found that therapy dogs help kids and their parents feel less anxious when visiting the emergency room. ABC News medical correspondent Dr. Darien Sutton explains.

Gabrielle Stelzer opened the door to reveal her wedding dress expecting to see her bridesmaids. But there was also another loved one waiting: her dog, Willow.

Renowned Dog Whisperer Cesar Millan joins ABC News Live to discuss the best ways to understand your dog's feelings.

Justice the dog is a trained emotional support animal who went viral for cuddling after his owner posted a video on TikTok.

Duke's owner, Zarah Kelleher, told "Good Morning America" the bodega gave Duke a sense of home when they moved to the area.

Chewy and his great-grandma always had a special bond!

Lennon and Tilly, a 2-year-old golden retriever, love lounging together every morning. But on this morning, they decided they needed a little nap, and we are officially jealous.

Sisters Shelby and Savannah Parks shared an emotional last Christmas with their beloved golden retriever Boomer, whom they described as their "soul dog."

ABC News Chief Meteorologist and Climate Correspondent Ginger Zee shares how to care for pets while also caring for the planet.

Think you can tell how your dog feels by its bark or behavior? New research suggests we may not be as in tune with our pets as we think.

Brittany Bunnell adopted Jones, a 13-year-old dog that spent almost five years in a shelter and became a staff favorite.

Brooks the golden retriever loves collecting sticks and is determined to carry a massive stick home through the streets of Charleston, South Carolina.

Lucy Horan's cockapoo Ozzy has learned to press a button to politely ask for dog treats.

Dr. Jenny Elwell-Gerken performed a gastrotomy on Luna after her owners noticed she was vomiting and had a firm, swollen stomach.

Motorists stopped traffic to rescue Henry before he was taken to the San Diego Humane Society.

A Colorado pet store dealt with the second robbery this month on Friday, when thieves faked a medical emergency in order to steal two puppies.

Bianca Rose Larsen, the manager of Perfect Pets, says theft has “skyrocketed” at her Colorado store during the past two weeks.

When he was 3 years old, Dino’s family adopted a rescue; Ruby and the two have been inseparable ever since.

10-year-old golden retriever-mixes Chevy and Leica were honored for more than eight years of working as service dogs at the Cincinnati Children’s Hospital.

Lifestyle contributor Lori Bergamotto celebrates National Walk Your Dog Day by showcasing fantastic pet finds with a little help from the dogs at Best Friends Animal Society.

It really is the paw-fect show for furbabies everywhere.

Callie the cavapoo has made the ball pit a part of her daily routine.

The newly crowned champ, his handler and owner Katie Bernardin, and the president of the Westminster Kennel Club Don Sturz talk about Monty’s dominating performance at this year’s competition.

Monty, a 5-year-old giant schnauzer, was crowned the best in show at the 149th Westminster Kennel Club Dog Show in New York.

Daisy's original owners said they kept a photo of her on their mantelpiece and would look at it and think about her every day.

"Miraculously, we've just come across the golden retriever in the water," a lifeboat volunteer with the Royal National Lifeboat Institution said after rescuing the dog.

More than 80 domestic cats have been confirmed to have had bird flu since 2022. Experts say there's a risk that cats could transmit the virus to people in the future.

Puppy Bowl referee and actor Dan Schachner discusses the 21st annual Puppy Bowl and its mission to promote the adoption of dogs.