Remarkably preserved fossils found in southern China offer a fascinating window into what life looked like at the end of the ...

In the red-brown siltstones of Yunnan province, southwest China, paleontologists have found something that was not supposed ...

Three rare discoveries — the earliest human Cryptosporidium infection in Roman Bulgaria, a 500-million-year-old tunicate ...

Biomechanical studies on the arachnid-like front "legs" of an extinct apex predator show that the 2-foot (60 centimeter) marine animal Anomalocaris canadensis was likely much weaker than once assumed.

The details of how animal life began are a bit murky. Most of the groups familiar today are present in the Cambrian, a period ...

Cambrian lobopodians are important for understanding the evolution of arthropods, but despite their soft-bodied preservation, the organization of the cephalic region remains obscure. Here we describe ...