An analysis of two theropod dinosaur fossils has shown that they had a type of carpal bone (pisiform) in their wrists—a bone ...

But ornithologists from the University of California recently found another reason that birds go astray. Drawing on six decades of bird-banding data, they demonstrated that vagrancy increases during ...

Internal anatomy of the fossil. Credit: Durham University. The fossil, named Youti yuanshi, dates back over 520 million years, during the Cambrian period, a crucial era for the evolution of modern ...