Ever wonder which dog breeds are the oldest in the world? Which dog breed came first? Today’s video from A-Z-Animals takes a journey back in time to discover the most ancient dog breeds.

Feeding squirrels might seem kind, but it can cause dependence, spread disease, and create conflicts with people and pets.

World Animal Day highlights the importance of animals to the planet and the steps needed to ensure their welfare and ...

Scientists recently discovered a new deep-sea species that opens up an entirely new branch on the tree of life!

Researchers using museum specimens uncovered alarming population declines in unique Fijian ants tied to human impacts.

Salmon alevins hatch with yolk sacs for nourishment but face predators and harsh waters. Only a tiny percent make it to adulthood.

Learn the key differences in appearance behavior and danger between these two snakes often confused in the wild.

Tim Friede's brave decision to inject himself with snake venom may be a gamechanger for creating a universal antivenom.

Lyme disease cases in the U.S. trace back to the blacklegged tick, also called the deer tick. Learn how to identify and avoid ...

This adorable orange kitten discovered her paws for the first time, and we've never seen anything more ferociously cute!

Meet Marshmallow, Cincinnati Zoo's adorably sassy skunk kit. We spoke with keeper Sarah Paese to get the inside story on this ...

In honor of National Black Dog Day on Oct. 1, we found 17 adorable black dogs to follow on Instagram. Your feed has never been cuter!