Marine animals can be fascinating and very beautiful. However, you should not approach some of them. Some fish and jellyfish are highly poisonous, and contact can sometimes be fatal. Read here about ...

Thanks to decades of Hollywood terror, sharks have earned one of the most fearsome reputations in the animal kingdom. Movies like "Jaws" have painted these ancient predators as mindless killing ...

Every animal with a brain needs sleep — and even a few without a brain do, too. Humans sleep, birds sleep, whales sleep and even jellyfish sleep. Sleep is universal “even though it’s actually very ...

Colorado’s outdoors are home to plenty of critters that you should be aware of when you venture out. And the most dangerous animal in the world, as ranked by the Centers for Disease Control and ...