The Planets: Mars

Mars was once a blue water-world studded with active volcanoes. But when its magnetic field and protective atmosphere faded, it became the frozen desert planet we know today. With so many necessary elements in place, did life ever form on Mars?

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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Why Bridges Collapse

Can new engineering techniques help prevent deadly bridge collapses?

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The Planets: Ice Worlds

Beyond icy worlds of Uranus and Neptune, Pluto dazzles with its mysterious ocean.

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The Planets: Saturn

NASA's Cassini reveals the mysteries of Saturn's rings—and new hope for life on a mo...

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The Planets: Jupiter

Jupiter's massive gravitational force has made it a wrecking ball and a protector of Earth