Frigatebirds can remain airborne for days at a time without landing. Here’s how they rest while flying, according to ...

We all know that owls are nocturnal creatures. Sleeping during the day and hunting at night, these birds live vastly different lives from humans. Have you ever wondered how and when owls sleep? This ...

Researchers in Oklahoma have discovered that floating alligators keep half their brain awake as they sleep. Karen Parker/FWC photo As if alligators weren’t intimidating enough, experts have discovered ...