Kylo Ren's lightsaber is easily one of the coolest ever featured in Star Wars, but there's at least one that even better, and ...

Saber-tooth predators have long fascinated scientists and the public alike, epitomized by the fearsome Smilodon. These animals evolved their iconic blade-like canines at least five independent times ...

Saber-tooth fangs acted like an “evolutionary ratchet,” ensuring the hunting prowess of animals but limiting their ...