Some dogs have an inner light that reflects joy and love. Discover some of the happiest dog breeds in the world.

This jumping spider took down prey twice its size, and its hunting methods might be unorthodox, but they work.

One of the most venomous snakes in the northeastern and southeastern United States is the copperhead snake. While the average length of this imposing snake is 2 to 3 feet, there are some that have set ...

Crocodile babies require the assistance of a special tooth and some motherly crocodile TLC to successfully hatch from their ...

The term assassin bug is used to describe a group of insects with predatory and stealthy behavior. They are generally ...

Explore 10 fascinating octopus facts. From their multiple hearts to their impressive intelligence, learn what makes these ...

This 5-day shark lesson plan includes worksheets, comprehension questions, graphic organizers, writing prompts, vocabulary ...

With jaws that stretch four feet wide and tusks up to 20 inches long, hippos are built for brutal combat in the wild.

Some dogs can outrun cars. Discover more about the potentially fastest dog alive, its breed, and its top speeds.

Sharks are one of the oldest species of animals still alive today. While they may not be the massive megalodons that lived during the Early Miocene and Early Pliocene eras, as recent as 3.5 million ...

Increasing black bear populations mean that bears can be found in human-developed landscapes. Here's what to do to keep yourself safe.