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Day the Dinosaurs Died Preview

66 million years ago, a seven-mile-wide asteroid collided with Earth, triggering a chain of events that coincide with the end of the dinosaurs. But experts have long debated exactly what happened when the asteroid struck and how the giant beasts met their end. Now, scientists have uncovered compelling new clues about the catastrophe.

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NOVA Season 51
53:40
Mysterious bodies are found under one of the world’s most famous cathedrals.
NOVA Season 51
53:40
From electric flight to artificial noses, engineers are finding new ways to preserve our planet.
Building Stuff: Reach It!
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53:40
Humans are born to roam. See how engineers are inventing new ways to explore and extend our range.
Building Stuff: Boost It!
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53:40
Is engineering humanity’s superpower? See how we can amplify our natural abilities in amazing ways.
Decoding the Universe: Quantum
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53:40
Dive into the universe at the tiniest – and weirdest – of scales.
Solar System: Wandering Worlds
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53:34
Meet the surprising, oddball worlds moving around our solar system.
Solar System: Icy Worlds
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53:34
Visit strange, frozen worlds to discover the bizarre ice that forms beyond Earth.
Solar System: Volcano Worlds
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53:34
Discover the powerful volcanic eruptions that have shaped worlds across our solar system.
Solar System: Strange Worlds
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53:34
What are the weirdest worlds in our solar system, and how did they come to be?
Solar System: Storm Worlds
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53:34
Discover the dramatic forces creating spectacular weather on neighboring planets and moons.
Decoding the Universe: Cosmos
53:38
Explore big discoveries that have revolutionized our understanding of the universe.
Secrets in Your Data
53:40
Find out who’s using your data and what you can do about it.
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