The Planets: Mars Preview
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?
Previews + Extras
Mars, the Red Planet, Was Once Blue
S46 E13 - 1m 25s
Much like Earth, Mars was once a water world, rich with the building blocks for life. But it didn’t last. Was there enough time for life to take hold on the Red Planet before it dried out?
Five Facts About the Red Planet
S46 E13 - 1m 3s
What's so marvelous about Mars? Here are five facts about the Red Planet.
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