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NOVA
Asteroids: Spark of Life?
Season 53
Episode 1
What if asteroids, long feared as destroyers of life, were key to our existence? Explore a revolutionary theory that these violent collisions provided the essential ingredients – water, minerals, and energy – needed to jumpstart life on Earth.
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53:15
How did Earth give rise to humans? See what made our species' existence possible.
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53:45
How did life bounce back after a cataclysmic extinction wiped out some 90% of all species?
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53:47
See how life made the leap to land, turning a barren landscape into a lush, green world.
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53:47
See how Earth transformed from a barren hellscape to a planet capable of sustaining life.
53:20
Dive into the subconscious to see what’s really driving the decisions you make.
53:30
Neuroscientists discover the tricks and shortcuts the brain takes to help us survive.
53:31
Who created the Nazca lines and why? New clues to one of the greatest ancient enigmas.
53:43
Ancient footprints provide new evidence of humans and extinct giant beasts of the Ice Age.
