New York: Sixty million years of climate change triggered the meteoric rise of reptiles around 250 million years ago, not a mass extinction of mammals as previously thought, a new Harvard University-led study has said. Just over 250 million years […]
The discovery of a giant marine reptile skull in the United States has revealed new theories about the speed of evolution and how quickly the process can produce diversity. The giant ichthyosaur fossil — with a skull measuring almost two […]