Polar bear biopsies shed light on Arctic pollutants in pioneering research mission

Human-sized catfish are taking over this lake in Italy!

Lazy dog doesn't want to go for a walk – her owner's hilarious plan has TikTokers in stitches!

Capuchin monkeys' bizarre new habit of kidnapping babies of other species baffles scientists

Dog's reaction to her meeting owner's new baby has the internet in tears!

Queen Camilla reveals royal family's newest furry friend!

Can dogs eat watermelon? A healthy snack with dangerous pitfalls

When did ancient vertebrates leave the oceans for dry land? New evidence tweaks the timeline!

New mom is breastfeeding her baby – then her dog does the cutest thing

Watch as this clingy Dalmatian dog annoys his Pit Bull brother into submission

Why is my dog constantly licking its paws? Here's why it can be dangerous

Dog's candid pictures from daycare have her owner crying with laughter

Woman films dog in slow motion: what she discovers in its mouth is disturbing

Dog goes viral with hilariously disappointed reaction to bad haircut!

Cat owner catches his pet doing the sweetest thing while he slept!

Lost cat found after 24 days – then things take a turn for the heartbreaking

Dog rescuers learn shocking truth behind pit bull's abandonment

Toddler tries to play with her dead cat in bizarre viral video

Dog finally figures out how to bark at the ripe old age of thirteen!

Dog suddenly becomes paralyzed, but he refuses to give up the fight

Clingy Golden Retriever turns on the charm when he isn't getting enough cuddles

Cat waits outside the bedroom door all night to see his very favorite person!

Eager Dachshund struggles to make friends at dog park in heartbreaking clip

Do cats like music, and how do we know?

New study on chimp drumming reveals origins of human rhythm!

Scientists are shocked to discover carnivorous snail laying eggs out of its neck

Why is my cat sleeping in the litter box?

Elderly Golden Retriever tries to keep up with her younger sisters in touching footage

Woman films nail-biting wild animal encounter while on vacation toboggan run

Shelter dog trembles with fear – can rescuers get her to trust again?

Six Golden Retrievers get special assignment to wake up their Daddy – then chaos breaks out!

Dog desperately wants to play fetch with her newborn sibling in adorable viral video

Jack Russell Terrier dog has heartbreaking FOMO during her sibling's training session

Strange cat makes herself at home when woman opens the door for food pickup: "I don't remember ordering her"

Dog with rare medical condition has completely changed his fur color! But how?

Cat proudly shows its owner the carcass of a "dead" kitchen sponge in hilarious clip

Peanut the cat trains to be a firefighter with her owner in adorable viral videos

Heartbroken dog looks for new family: "The plan was to grow old together"

Golden retriever puppies are introduced to horses in heartwarming clip!

Lonely cat's life is forever changed by new kitten sibling!

10 tips for a stress-free move with a dog

Dog sees hail falling from the sky – no one expects her adorable reaction!

Brood XIV cicadas re-emerge in US after almost two decades

New study bring the shocking aquatic origins of Australian echidnas to light!

Golden Retriever crashes owner's bath in hilarious viral clip

Knockout! MMA fighter wrestles alligator barefoot on the highway

What is this creepy deep sea creature that washed up on the beach?

How to give your cat a pill without getting bitten and scratched to ribbons

Photographer offers free photo shoot – then a dog makes surprise magic!

Cat miraculously survives fall in Utah canyon that tragically kills couple

Rescue dog has the time of his life playing in water for the first time!

Dog finds a tennis ball in a tree – now he looks for more to "harvest" in adorable video

Cat can't stand overenthusiastic puppy sibling, but the dog won't give up!

Spoiled dog won't sleep without this hysterical bedtime ritual in viral video

Man risks life to save bald eagle from alligator: "This is the symbol of America, man"

Golden Retriever loses sight of her mama at the park, and her reaction is priceless

Small dogs heartlessly abandoned are saved in an emotional rescue!

Why did giant prehistoric kangaroos go extinct? Scientists have new answers

Depressed Golden Retriever just got the sweetest surprise from his owner!

Bulldog puppy wants to sit in her favorite sofa spot, but there's a problem – her feisty kitty sibling!