Female praying mantids are known for eating their mates, but what is the evolutionary advantage to this practice? This series of images is taken from film shot for Evolution: "Why Sex?" ...

These critters get their name from their kaleidoscope shell—like a peacock’s tail—and their hinged forearms which resemble that of a praying ... peacock mantis shrimp with your kids.) ...

Iranian researcher Mahmood Kolnegari has described a new praying mantis species in central Iran, naming it Sinaiella azadi (“freedom” in Persian) to symbolize the importance of scientific ...