Map showing the location of duckbill dinosaurs during the Late Cretaceous period. Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert!

The Cretaceous is split into two smaller time periods called epochs. The Early Cretaceous Epoch lasted from 145 million years ago to 100.5 million years ago and the Late Cretaceous Epoch ... Back then ...

The Late Cretaceous period was 100.5-66 million years ago during a time when the Earth was dominated by dinosaurs. Living ...

Ever sit up late at night, dazed and pondering about ancient earth? Like, what was it like ... The sandstones are Late ...

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 ...

Tyrannosaurus rex was one of the most ferocious predators to ever walk the Earth. With a massive body ... in western North America during the late Cretaceous period, 68 million years ago.

Instead, poor fossilization conditions and unexposed late Cretaceous rock layers mean they're either not preserved or hard to find.