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 ...

The Florida semaphore is a tree-like cactus with a distinct trunk and a cluster of spines at the top. The cactus has a dull-gray, fleshy stem with shrubby branches that can grow to a lofty height of 6 ...

Red wolves grow up to 26 inches tall, and adults measure about four feet in length from tail tip to nose. They range in weight from about 45 to 80 pounds, and have pointy ears and broad muzzles ...

But some dyes — like Red No. 3 — have links to cancer, behavioral disorders, and other health issues. Now, after more than 30 years, the FDA is banning Red No. 3 in cereals and other food ...