Red blood is the exception, not the rule. Evolution has painted it green, purple and white in animals that push physiology ...

Nature’s natural colors can be breathtaking. Tropical birds are famous for their brightly colored feathers, and many fish species are dazzling. There are gorgeous insects that look like they’re ...

Q. I live near Charleston, S.C., and recently spotted a blue anole sunning itself. I am familiar with our common green and brown anoles, but this one made me look twice. His tail had been severed and ...

Many animals in the tropics are colorful for a number of reasons, including some you might not expect. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it ...

Biologists modified simple electronics to create a color vision test for fiddler crabs and other animals. Fiddler crabs have a simple solution to life's daily perils: run. University of Cincinnati ...