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

“They may also have red markings going up its back,” he ... and vomiting are the telltale signs of a black widow spider bite, and these symptoms will likely occur within a few hours after ...

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.

Venom 15 times stronger than a rattlesnake — the black widow spider. What happens when it bites? All black with a red hourglass, just bigger than a paperclip. Only the female can bite humans.

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 ...