During this period, oceans formed as land shifted and broke out of one big supercontinent into smaller ones. 3 min read Continents were on the move in the Cretaceous, busy remodeling the shape and ...

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 ...

Scientists have discovered levels of iridium 30 times greater than average in the Cretaceous/Tertiary (KT) boundary, the layer of sedimentary rock laid down at the time of the dinosaur extinction.

About 80 million years ago, during the Cretaceous period, crocodilians appeared ... ancient animals were survivors of the Cretaceous-Tertiary extinction, though no one knows why they lived ...

Sixty-six million years ago, at the end of the Cretaceous Period, an asteroid impact near the Yucat n Peninsula of Mexico triggered the extinction of all known non-bird dinosaurs. But for the early ...

Researchers say the new findings provide insight into predator-prey dynamics in the region during the Cretaceous period and mark the first evidence in North America of ancient crocodilians ...