All animals might not be able to speak, but they certainly have other ways of communicating. How do animals pass on information to their own species, and how do they pick up cues from other members of the animal kingdom?
Sleep might seem pretty simple, but scientists are still scratching their heads over questions surrounding the slumbering state. What does sleep mean to a whale, a brown bat, a migratory bird or even an invertebrate?
Whether you're talking about a swarm of bees buzzing about, a cluster of butterflies sucking down nectar or a nest of cockroaches hidden in a corner of your house, insects are really plentiful. How plentiful?
Most of us know not to pet an angry dog with a foaming mouth, and that perhaps snuggling with a bat isn't the brightest rabies-prevention plan. But how does rabies choose its victims, and what can it do to humans?
Arctic animals, such as polar bears, puffins and narwhals, have developed amazing adaptations to be able to survive in the arctic tundra. Check out these Arctic animal pictures to catch a glimpse of animals that you'll probably never see up close.
Domesticated animals provide us with innumerable products, hours of labor and even loving companionship. Find out why the dog was so easily domesticated and why you'll never see someone riding a zebra.
Caribou travel 2,000 miles over arctic tundra in order to migrate. The annual migration of monarch butterflies lasts longer than a typical monarch's lifespan. What makes these animals so determined to move?
What would happen if birds were released into space? Well, we don't know, but we think that birds in space would actually do quite well because their wings would help stabilize them as they float through space.