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Clip: Season 44 Episode 12 | 2m 27s
Is there life beyond Earth? The solar system's ocean worlds might be the most promising places to look.
Aired: 08/23/17
Cassini's Search For Life
Cassini, a brave explorer that was dispatched to study a distant ringed world, has died.
Amazing Discoveries from Cassini
Relive Cassini's greatest hits from its 13 years studying Saturn.
Follow Cassini's final days as it skims the cloud tops before plunging into the planet.
Experts drill into the impact crater of an asteroid that created a worldwide cataclysm.
NOVA uncovers the secrets of nature’s battleground—claws, horns, fangs and all.
Scientists uncover geologic evidence of epic floods that tore through ancient landscapes.
Experts reconstruct the Great Hurricane of 1780 to help predict the risk of future storms.
Scientists hunt for a mega-eruption that plunged medieval Earth into a deep freeze.
How has China’s magnificent Forbidden City withstood centuries of earthquakes?
Discover the world of medieval knights and see how their armor was made.
Follow Cassini's final days as it skims the cloud tops before plunging into the planet.
The country’s first solar eclipse in 99 years will cast a light on the Sun’s secrets.
