Extras
A fight breaks out amongst the mega herd of Pachyrhinosaurus gathering to migrate north
A young Albertosaurus, a relative of T. Rex, earns her place in a fierce hunting pack.
Did the asteroid kill the T. rex and Triceratops?
The Walking With Dinosaurs team reveal how they created the Spinosaurus.
How did dinosaur fossils get there?
Millions of years ago, dinosaurs ruled the Earth. But underwater it was a totally different world.
Did Pachyrhinosaurus bones always gather in such great numbers?
Very few dinosaurs made it as far North as the Arctic Circle...except for two.
In late Cretaceous Alberta, many apex predators roamed free, so how did the prey survive?
What would make a Utahraptor so much larger than other raptor species?