From a hellscape of molten lava to an icey snowball to the lush, green planet we know today, this special NOVA series tells the incredible story of our incredible home.
Early Earth was a hellscape of molten lava and barren rock, bombarded by meteors, with no atmosphere at all. How did our familiar blue sky — the thin, life-giving band of gasses protecting our planet – come to be?
Seven hundred million years ago, Earth was a giant snowball cloaked in ice from pole to pole. How did life hold on through this deadly deep freeze, find creative ways to bounce back, and thrive in the dramatically different world that emerged?
Life teemed in Earth’s oceans for billions of years while the land was desolate and inhospitable. See how life made the leap to land, transforming a barren, rocky landscape into the lush, green world we call home.
Two hundred fifty-two million years ago, a devastating mass extinction wipe out about 90% of all species on Earth. Follow scientists as they piece together evidence to discover how life survived and set the stage for a new dominant life form: the dinosaurs.
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