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Nature presents “Big Little Journeys: Bloodlines”

Animals big and small from across the globe go on epic journeys through streams and mountains to find a mate before its too late.

The American Buffalo: Blood Memory

For generations, America’s national mammal, the buffalo, sustained the lives of Native people, whose culture intertwined with the animal.

Nature ‘Penguins: Meet the Family’

A celebration of one of Earth’s most iconic and beloved birds, featuring all 18 species of penguins for the first time, from New Zealand, Cape Town, the Galapagos Islands and Antarctica.

Stewart Udall: The Politics of Beauty

Former Interior Secretary Stewart Udall leaves a legacy of conservation and environmental justice, inspiring people to work together.

Spy in the Ocean: Deep Trouble

From a baby whale in danger to marine iguanas battling storms to a mantis shrimp’s knockout punch, the spies are never far from trouble.

Nature: The Platypus Guardian

Peter Walsh is a Tasmanian obsessed with one of nature’s least understood and most unlikely creatures, the platypus.

America Outdoors with Baratunde Thurston ‘Maine: Embrace the Cold’

With its magnificent coastline and densely wooded interior, Maine is a place where outdoor adventure has a long history.

Watch NOVA’s new five-part series

Early Earth was a hellscape of molten lava and barren rock, bombarded by meteors. How did our familiar blue sky come to be?

Evolution Earth: Ice

At the planet’s frozen extremes, shifts in animal movement and behavior reveal vital information about our future world. Examine polar bears in the Arctic, penguins in Antarctica and other animals surviving in icy worlds.

America Outdoors with Baratunde Thurston ‘Oregon: New Heights’

Oregon is known for its wild coastline and misty forests, but it’s a place where a few hours in your car can take you from the coast to the high desert or the Cascade mountains.