The original plans for New York City’s Central Park included a Paleozoic Museum at 63rd Street and Central Park West, which would have displayed life-size concrete models of dinosaurs placed in ...

Fig.1: Tempo and mode in the body size evolution of Cambrian-Ordovician trilobites. Changes in maximum size (red) and mean size (blue) for each time slice, with lines and shading representing the mean ...

A new study examining fossil evidence shows large land predators were already hunting big plant-eating animals more than 280 million years ago ...