Between the blue sky above and the infinite blackness beyond lies a frontier that scientists have only just begun to investigate. In "At the Edge of Space," NOVA takes viewers on a spectacular exploration of the Earth-space boundary that's home to some of nature's most puzzling and alluring phenomena: the shimmering aurora, streaking meteors, and fleeting flashes that shoot upwards from thunderclouds, known as sprites.
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In a Horizon special, naturalist Sir David Attenborough investigates whether the world is heading for a population crisis.
Horizon • 2009 • Environment
The city is built to keep untamed nature out, but nature cannot be pushed away.
S1E8 • Human Planet • Environment
Prince William, David Attenborough and Shakira find out about inspiring people and projects across the world that can help us stop damaging the oceans and enable their revival.
S1E4 • The Earthshot Prize Repairing Our Planet • 2021 • Environment
World War 3 breaks out & a nuclear nightmare becomes reality as thousands of hydrogen bombs destroy the world's greatest cities. Resulting in a Nuclear Winter, plunging the planet into a sudden Ice Age.
S1E4 • Doomsday: 10 Ways the World Will End • 2016 • Environment
A look at how the eternal quest for water brings huge challenges and ingenious solutions.
S1E2 • Human Planet • Environment
Victor Vescovo's team searches for the deepest point of the Southern Ocean.
S1E2 • Expedition: Deep Ocean • 2021 • Environment