This continued throughout the Cretaceous and by the end of the period the continents had moved almost into the positions they are in today. Back then Earth was a lot warmer than it is today and there ...

Dinosaurs are the extinct relatives of birds that roamed the lands and seas of ancient Earth. They first appeared around 240 ...

Known today as the “Black Belt,” the southeastern United States was once covered by an ancient sea—one that continues to ...

Namely, a group of primitive amphibians called the temnospondyls. They may have survived the Great Dying by feeding on some ...

The six-mile-wide asteroid punched a one-way ticket toward extinction for all non-avian dinosaurs. Some 66 million years ...

A QUARTER of a century ago, when first I began to study geology, it appeared to me that a predominance was given to the more recent rocks, such as the Pleistocene, Miocene, Eocene, Cretaceous ...

New simulations reveal that the climate, atmospheric chemistry and even global photosynthesis would be dramatically disrupted by an asteroid collision ...

A groundbreaking discovery in northern Patagonia has unveiled a new species of titanosaur, a colossal gentle giant that ...

flowering plants were a much more common part of Earth's plant life. Various insect groups also appeared, including bees, which helped increase the spread of flowering plants. And mammals now included ...

The Late Cretaceous period was 100.5-66 million years ago during a time when the Earth was dominated by dinosaurs. Living alongside these giant reptiles, however, were a variety of different types ...