Arizona's state bird fends for itself against predators in the desert, making its home in prickly plants. Here's what to know ...

In an evolutionary battle of the sexes, scientists have found that male flies sharpen their eyesight to avoid being tricked by females into sharing food.

From Chaplin’s toothbrush mustache to Hogan’s handlebar, these men have become synonymous with their fluffy accessory. Now, the discovery of a creature in the grasslands of central Brazil adds another ...