It's a question visitors ask staff all the time at the Smithsonian's National Zoo's Bird House. The answer may surprise you!

The ecosystem is home to seamounts, hydrothermal vents, deep-sea trenches and species found only in its freezing water. They are called the South Sandwich Islands, and researchers with the Schmidt ...

Side preference in animals with flippers Interestingly, animals that do not have arms or legs in the classic sense may also show a preference, or handedness, says Ocklenburg. A team led by ...

The Cheetah is the fastest land animals. It has a lightweight body that and long legs that can speed up to 75 mph. Its ...