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NOVA
Day the Dinosaurs Died
Season 44
Episode 21
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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53:27
Forensic science is put to the test after the first-ever staged multi-vehicle pileup.
53:29
A first-of-its-kind experiment aims to stage a multi-vehicle pileup to gain new data on car safety.
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After centuries of pseudoscience, researchers examine the causes of racial health disparities.
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53:41
Follow scientists in a quest to understand how complex forest ecosystems can help cool our planet.
53:39
Explore key military technologies in the American colonies’ fight for freedom.
53:32
Follow the investigation into the deadly container ship collision that closed the Port of Baltimore.
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53:40
Archaeologists uncover new truths about Pompeii, a wealthy Roman playground with dark secrets.
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53:40
A long-lost ancient cemetery opens the door to a unique period in Egyptian history.
53:40
Fossils reveal how birds survived the killer asteroid and became today’s only living dinosaurs.
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53:40
Follow the race to build a world-class airport on the site of one of America’s busiest flying hubs.
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53:43
Can science reveal the secrets of mysterious objects seen in our skies?
53:40
Mysterious bodies are found under one of the world’s most famous cathedrals.