Winter is a busy time at bird feeders—here’s what ornithologists recommend to attract the widest variety of birds.

Octopus and other cephalopods are good at hiding themselves—and are inspiring cutting-edge technologies that may help us do ...

Animals have evolved to sleep in extreme ways — for example, taking micro naps during parenting, sleeping on the wing during ...

Limited to Central and South America until a few short years ago, Yellow-headed Caracaras are turning heads from California ...