Butterflies are disappearing at an alarming rate in the US. Find out which species are the most impacted and what can be done to help.

Here are some of the most interesting facts about great white sharks. These often misunderstood apex predators are critical to the ecosystem.

When attacked, pufferfish swell to three times their size. This trick helps them survive in the wild. Here's why.

Curious to discover the sneakiest animals in the world? Keep reading to learn about these animals and their unique abilities!

Spotted hyenas have massive premolars and zig-zag enamel that let them devour tough carcasses with unmatched efficiency.

Brown recluse spiders will be confined to only 5% of their natural territory by 2080 if the species does not learn to migrate north.

Ants do not have noses. Rather, they detect scent through very sensitive chemoreceptors on their antennae. This is how ants can zero in on the food crumbs that you forgot to sweep up. But you can also ...

Geese can be territorial and aggressive if they perceive a loved one is in danger and have even attacked humans because of it ...

Watch how this baby porcupine apparently throws a tantrum and then discover what he is really doing with his body and quills.

Animal dancing isn't just for show—it’s vital for communication, reproduction, and survival in the wild. These animals are ...

The Monterey Bay Aquarium Research Institute captured footage of a giant phantom jelly with ribbon-like arms over 30 feet ...

Ticks may be tiny, but they can wreak havoc. Learn more about two common tick varieties and how to avoid being bitten by them ...