The presence of two types of skin on the fossil implies that dinosaurs may have retained reptile skin as protection while experimenting with feathers in certain areas in the early days of feather ...

One of the experts was Walter Alvarez, the geologist who first proposed the theory that the dinosaurs were made ... directions this location remained a mystery on that trip.

More than 230 million years ago, long before giant dinosaurs thundered across Earth, a chicken-sized creature walked near the equator in what is now Wyoming. That small but mighty dinosaur is ...