Paul Sereno

An investigation into prehistoric, fossilised human remains found in the Saharan Desert.

Some hundred million years ago, crocodiles were the ruling T. rexes of the waters. They galloped on land, ambushed prey at the river's edge - even...

A team of palaeontologists led by Nizar Ibrahim go in search of Spinosaurus, a giant meat eater believed to be even larger than Tyrannosaurus rex.

Learn about the king of the dinosaurs, the T-Rex. This was the greatest meat-eating machine of the dinosaur era.

Like many great scientific discoveries, this one happens by accident. Sereno, an expert in locating dinosaur fossils, is on an expedition to Niger,...