The creatures cruised the world’s oceans with features we often associate with marine mammals, such as coats of blubber and ...

These plants eventually came to dominate Earth's landscapes for millions of years, paving the way for the lush forests during the Mesozoic "age of dinosaurs." So, after millions of years ...

Two hundred and fifty one million years ago, the worst mass extinction event Planet Earth has ever seen ruined the life of ...

Dinosaurs ruled the Earth in the mighty Mesozoic. And 64 million years after dinosaurs went extinct, modern humans emerged in the Cenozoic era. The planet has seen an incredible series of changes ...

For many, it is dinosaurs, the fierce and powerful stars of the Mesozoic era ... This period is also called the “Age of Mammals”. During the Oligocene epoch about 33.9 to 23 million years ...

Explore the age of the dinosaurs. Discover what the prehistoric world ... Non-bird dinosaurs lived between about 245 and 66 million years ago, in a time known as the Mesozoic Era. This was many ...

The last 79 million years of the Mesozoic were particularly incredible — it was the age when dinosaurs dominated. Those years are known as the Cretaceous period, the longest portion of the ...