Dinosaurs arose as rulers of the Earth 250 million years ago, commanding every niche and dominating all other species. But 65 million years ago the Earth is rocked by a great catastrophe that annihilates the mighty dinosaurs. We discover the trail of tantalizing clues that lead to the discovery of what killed them and ultimately lead to the evolution of humans. The discovery of traces of an extra-terrestrial element in the coastal rocks of Spain provides the first sign that what ever killed the dinosaurs may have come from outer space. Traveling across America's West and in to the Canadian badlands we gather further clues to confirm this premise. But if a cosmic impact was responsible, where did it hit the Earth? We tell the amazing story of the discovery of the crater on the coast of Mexico - the "smoking gun" that proved an asteroid the size of Mount Everest slammed in to the Earth 65 million years ago. By pure cosmic chance, the mighty dinosaurs are wiped out. Now the small mammals sheltering in the ground have a chance to emerge on the stage, and evolve into the creatures that control the Earth.moreless
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