Access to this video is a benefit for members through PBS Passport.
Up Next
Back to Show
Watch Preview
NOVA
Ancient Earth: Frozen
Season 50
Episode 12
700 million years ago, Earth was a giant snowball cloaked in ice from pole to pole. How did life manage to hold on through this deadly deep freeze, find creative ways to bounce back, and thrive in the dramatically different world that emerged?
Support Provided By
Unlock with PBS Passport
53:40
Follow the race to build a world-class airport on the site of one of America’s busiest flying hubs.
Unlock with PBS Passport
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.
53:40
From electric flight to artificial noses, engineers are finding new ways to preserve our planet.
53:40
Humans are born to roam. See how engineers are inventing new ways to explore and extend our range.
53:40
Is engineering humanity’s superpower? See how we can amplify our natural abilities in amazing ways.
53:40
Dive into the universe at the tiniest – and weirdest – of scales.
Unlock with PBS Passport
53:34
Meet the surprising, oddball worlds moving around our solar system.
Unlock with PBS Passport
53:34
Visit strange, frozen worlds to discover the bizarre ice that forms beyond Earth.
Unlock with PBS Passport
53:34
Discover the powerful volcanic eruptions that have shaped worlds across our solar system.
Unlock with PBS Passport
53:34
What are the weirdest worlds in our solar system, and how did they come to be?
Unlock with PBS Passport
53:34
Discover the dramatic forces creating spectacular weather on neighboring planets and moons.