In Prehistoric Life:
The dinosaurs were among the most successful animals ever to live on the Earth. Their reign lasted over 100 million years - and if birds evolved from the dinosaurs, then their descendents are still alive today.
Watch dinosaurs brought to life and discover how they evolved as the world around them changed.
Sea monster facts
They're huge, hungry and swimming your way. Meet creatures from the early oceans.
BBC News: New 'monster' sea fossils
The Truth About Killer Dinosaurs - 2005
T. rex vs Triceratops. Can science predict who would win? Bill Oddie uses the latest research to investigate the ultimate clash of the titans.
The Baryonyx mystery
Have you got the palaeontology skills needed to uncover the truth about Baryonyx? Weigh up the video evidence to find out.
Only a tiny fraction of animals ever become fossilised. What conditions do you need to get a perfectly preserved specimen?
How does a flesh and blood creature turn into a fossil?
BBC News: Huge bird dino unearthed in China
Sea Monsters adventure
Can you survive the seven deadliest seas of all time in this game? Take the plunge!
BBC News: Bizarre whale fossil found
On Horizon: What really killed the dinosaurs?
A small group of scientists believes the asteroid 'impact' theory is wrong. This has generated one of the most bitter scientific rows of recent times.
On Horizon: T. rex - warrior or wimp?
Was Tyrannosaurus rex really the ferocious predator that movie-makers would have us believe?
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