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NOVA
NOVA Universe Revealed: Alien Worlds
Season 48
Episode 17
Ultra-sensitive telescopes have transformed alien planet-hunting from science fiction into enthralling hard fact. Join NOVA on a visit to exotic worlds orbiting distant suns to answer an age-old question with thrilling new science: are we alone?
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Explore great ancient Maya cities and why their inhabitants abandoned them.
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53:21
Intrepid paleontologists discover that dinosaurs thrived in the Arctic’s cold and dark.
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53:28
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As state-legalized cannabis spreads, NOVA explores its little-known risks and benefits.
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NASA launches its most ambitious search yet for traces of ancient life on Mars.
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Discover the fascinating chemistry that makes our world and everything in it—including us.
53:30
Discover the fascinating chemistry that makes our world and everything in it—including us.