NOVA
PBS' premier science series helps viewers of all ages explore the science behind the headlines. Along the way, NOVA demystifies science and technology, and highlights the people involved in scientific pursuits.
Season 53 · Episode 1 ·
Asteroids: Spark of Life?
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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Episode 1 of season 53 of NOVA: “Asteroids: Spark of Life?”. Aired 2026-01-21. Watch it online free on ZapFlix.