NOVA Marathons: Planet Earth
Episodes exploring our unique and awe-inspiring planet.
Detailed satellite images reveal the web of connections that sustain life on Earth.
Earth From Space
Scientists hunt for a mega-eruption that plunged medieval Earth into a deep freeze.
Killer Volcanoes
Witness the devastation wrought by Hurricanes Harvey, Irma, and Maria in 2017.
Rise of the Superstorms
New archeological evidence shows the stunning engineering of the Great Pyramid of Giza.
Decoding the Great Pyramid
Paleontologist Kirk Johnson explores the dynamic history—and future—of ice at the poles.