Researchers have wondered whether Praearcturus gigas was a giant crustacean called an isopod or some other creature. A new analysis of museum specimens suggests that it was a scorpion that stretched m ...

Hollywood has found its newest obsession, and this meme won’t be found in any internet backrooms. Coming out on top of a five ...

Urokodia aequalis, an early Cambrian marine predator from the Chengjiang biota of China, preserves the earliest known evidence of chelicerae -- the pincer-like structures that later evolved into the ...