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NOVA Marathons: Planet Earth

Episodes exploring our unique and awe-inspiring planet.

Video thumbnail: NOVA Killer Volcanoes

NOVA

Killer Volcanoes

Scientists hunt for a mega-eruption that plunged medieval Earth into a deep freeze.

Killer Volcanoes

Video thumbnail: NOVA Decoding the Weather Machine

NOVA

Decoding the Weather Machine

Discover how Earth’s intricate climate system is changing.

Decoding the Weather Machine

Video thumbnail: NOVA Rise of the Superstorms

NOVA

Rise of the Superstorms

Witness the devastation wrought by Hurricanes Harvey, Irma, and Maria in 2017.

Rise of the Superstorms

Video thumbnail: NOVA Decoding the Great Pyramid

NOVA

Decoding the Great Pyramid

New archeological evidence shows the stunning engineering of the Great Pyramid of Giza.

Decoding the Great Pyramid

Video thumbnail: NOVA Polar Extremes

NOVA

Polar Extremes

Paleontologist Kirk Johnson explores the dynamic history—and future—of ice at the poles.

Polar Extremes

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