Optical illusion personality tests can reveal insights about one's innermost thoughts and feelings. Depending on whether you ...

Many scientists believe the red-eyed tree frog developed its vivid scarlet peepers to shock predators into at least briefly questioning their meal choice. These iconic rain-forest amphibians sleep ...

A young bald eagle keeps an eye on the Muskingum River from the top of a tall tree in Devola Sunday. If you have a recent ...

The green-eyed tree frog has adapted its appearance to blend in with the moss-covered rain forests of Queensland, Australia. The frogs' coloration and markings vary with their specific habitat ...