A rare trapdoor spider, Aptostichus ramirezae, discovered in Iran, features a tail-like appendage, a trait thought extinct for millions of years. This 'living fossil' offers a unique glimpse into ...

While this tailless whip scorpion may look like a creature from a nightmare, it’s a harmless critter. Contrary to the implication of its common name, it can’t whip or sting and none of its many pointy ...