'Dinosaur Apocalypse,' a PBS NOVA special narrated by Sir David Attenborough, attempts to reconstruct the day Earth was hit by an asteroid 66 million years ago.
Cretaceous asteroid armageddon ignites TV screens in 'Dinosaur Apocalypse' : Read more
Cretaceous asteroid armageddon ignites TV screens in 'Dinosaur Apocalypse' : Read more