历史上的动物可真巨大！比如，曾经生活在亚洲地区的巨犀 “Paraceratherium” 比两辆双层公交车叠在一起还要高；体型庞大的巨齿鲨 “megalodon” 和阿根廷巨鹰 “Argentavis” ...

A Chicago fossil of Archaeopteryx uncovers unknown features, supporting theories of bird evolution from dinosaurs and ...

A new analysis of a pigeon-sized Archaeopteryx fossil in the collection of the Field Museum in Chicago is revealing an array ...

At a site known as Natural Trap Cave, a team of scientists are rappelling down to uncover the secrets of what the Earth was ...

Modern crocodilians conceal a much richer evolutionary history than meets the eye. A recent study sheds light on the secrets ...