European space researchers have discovered a bizarre phenomenon on Mars: thousands of dark formations resembling giant ...

Black widows are notorious spiders identified by the colored, hourglass-shaped mark on their abdomens. Several species answer to the name, and they are found in temperate regions around the world.

Black-handed spider monkeys are endangered due to habitat ... St. Pat's poll Rozindi is slightly larger than the females and has a red tint to his fur. Sadie, the eldest at 25 years old, is ...