These animals have some nasty habits. Here are 9 facts about animals you wish you didn't know. Read on at your own risk.

You may know a ton of fun facts about animals, but we bet you haven't heard these jaw-dropping truths Are you up on your fun facts about animals? For every extraordinary creature on the planet ...

National Wildlife Week is April 10 — see how well you know wildlife in America in this lifestyle quiz! Test yourself on species, stats and much more.

Beyond their sled-pulling capabilities and discrimination against those with red noses, what do you really know about reindeer? Here are the facts about these Arctic animals. Reindeer and caribou ...

8 Facts You Didn’t Know About Venom and Toxic Animals Venomous species use their poison for defense and to hunt. And humans might be adapting it for our own medical purposes.

Think you know all there is to know about jellyfish? Think again. These simple invertebrates are a lot more complex than you might realize.

From critter-killing copulation to beautiful “bladder songs,” here are some of the strangest facts about sex in the animal kingdom.

These animals may seem common, but they have many interesting features. Did you know that some donkeys have dreadlocks?

Where do lions live? Are they endangered? What do they eat? Everything you need to know about African and Asian lions.