The dinosaurs existed on our planet for roughly one hundred and sixty five million years, and for the majority of that time, ...

The Cretaceous Period lasted for nearly 80 million years. ... Back then Earth was a lot warmer than it is today and there was little or no ice at the North Pole or South Pole. Sea levels fluctuated ...

An ant and fly from the Cretaceous period offer insights into the history of Ophiocordyceps, the fungal parasite made popular ...

The Cretaceous period is one of the most crucial times in the Earth’s evolution. The division of the supercontinent, Pangaea, into Laurasia and Gondwana resulted in more diversity among animals ...

During this period, oceans formed as land shifted and broke out of one big supercontinent into smaller ones. Learn more about Earth's Cretaceous period from National Geographic. 1 of 10 ...

Discover why Antarctica no longer has lush forests with giant ferns and how ancient fires fueled intense volcanic activity.

Twin calamities marked the end of the Cretaceous period, and scientists are presenting new evidence of which drove one of Earth’s great extinctions. By Lucas Joel Some 66 million years ago ...

By studying 140-million-year-old oyster fossils, a joint team of Chinese and international scientists has uncovered clues about Earth’s climate during the Early Cretaceous period, challenging ...

It's no wonder, then, that the concept of returning this blood to the Earth would seem so taboo. Mckasson was stunned at how longstanding practices surrounding menstrual blood have existed with ...

Dinosaurs roamed the Earth 66 million years ago. ... The effect would have been catastrophic climate change, marking the transition from the Cretaceous to the Paleogene period.

Cretaceous Period (145 to 66 million years ago) During the Cretaceous the land separated further into some of the continents we recognise today, although in different positions. This meant that ...