The Cretaceous is a geological period that began 145 million years ago and ended 66 million years ago. It is the last period in the Mesozoic Era. It comes after the Jurassic Period and before the ...

During this period, oceans formed as land shifted ... and skies would never be the same in the new era that dawned after the close of the Mesozoic era.

Scientists divide the Mesozoic Era into three periods ... Sea levels rose and fell repeatedly during the Cretaceous Period. At the highest point there were many shallow seas separating parts of the ...

Rare fossils reveal stunning scene from dinosaur's last days Rare fossils reveal stunning scene from dinosaur's last days Baby Bird from Time of Dinosaurs Found Fossilized in Amber Baby Bird from ...

This article examines the fastest dinosaurs from the Mesozoic era ... This ABSOLUTE UNIT lived during the Early Cretaceous period in modern-day Utah and was named as such. Its size and agility ...

The early mammals that lived alongside the dinosaurs upwards of 150 million years ago (mya) were likely covered in dark and dusky greyish-brown fur, according to a quantitative reconstruction of ...

The Mesozoic Era is renowned for the evolution ... Oryctodromeuswas a small, agile dinosaur from the Late Cretaceous period, ...

Those years are known as the Cretaceous period, the longest portion of the Mesozoic era, which ended approximately 66 million years ago (after a meteor strike, many scientists believe, eliminated ...