3 min read Continents were on the move in the Cretaceous, busy remodeling the shape and tone of life on Earth. At the start of the period, dinosaurs ruled the loosening remnants of the ...

You might know the Cretaceous Period for big animals such as Tyrannosaurus rex and Triceratops, or for being the end of the age of dinosaurs. But what was the world like in the millions of years ...

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 ...

Scientists knew the mudstone had formed in the mid-Cretaceous, 92 to 83 million years ago. The amber proved that a wet, swampy forest existed in the South Polar Region only 90 million years ago.