Cat Tales

Worshipped as a goddess, condemned as satanic, and spun into a stunning array of breeds, cats have long fascinated humans. But did we ever really domesticate them? And what can science tell us about our most mysterious companions?

PBS’ premier science series helps viewers of all ages explore the science behind the headlines. Along the way, NOVA programs demystify science and technology and highlight the people involved in scientific pursuits.

NOVA Episodes

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Mysteries of Sleep

Why do we sleep? And what does sleep have to do with memory, trauma, and our emotions?

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Dog Tales

Follow the epic journey of dog domestication and see what science says about dogs’ love.

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Polar Extremes

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

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Animal Espionage

Camera technology is revolutionizing the study of animals—without them even noticing.