The Planets: Inner Worlds

The rocky planets—Mercury, Venus, Earth and Mars—were born of similar material around the same time. Yet only one of them supports life. Were Earth's neighbors always so extreme? And is there somewhere else in the solar system life might flourish?

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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Eagle Power

Follow eagles from the nest to the skies to see what makes these predators so remarkable.

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Decoding COVID-19

Scientists race to understand and defeat the coronavirus behind the COVID-19 pandemic.

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The Truth About Fat

Could it be that body fat has more to do with biological processes than personal choices?

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Cuba's Cancer Hope

Can Cuba's innovative lung cancer vaccines give new hope to patients across the world?