As a result, the very first mammals and dinosaurs evolved.

Meanwhile, on the Crucible, dinosaurs and mammals had long been evolving alongside one another.

"The real question is," he says, "can the dinosaur evolve?"

They're primitive insects - they existed millions of years before dinosaurs did and have evolved very little since then.

"We may all be grateful that the dinosaurs did not evolve into space travelers," Sassinak replied.

"We finally have an accurate date that we can use to determine just how far dinosaurs had evolved at a specific point in time."

The holiday for mammals ended when the great Cretaceous dinosaurs evolved.

Scientists say all the vegetarian dinosaurs evolved from ancestors that were carnivores.

They were around before the dinosaurs evolved.

The dinosaurs similarly evolved after the end-Triassic mass extinction.