Earth Unbound

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Large scale events from hurricanes to the melting of ice sheets have energized a new era of Earth science.

1 Season, 8 Episodes
April 1, 2016
Earth Unbound

Earth Unbound Full Episode Guide

  • Asteroids racing through the solar system have smashed into Earth before. What are the chances we�۪ll get hit again? Armed with new defensive technologies, scientists are getting ready for the inevitable day, a decade, century, or millennia from now: the Day of the Asteroid.

  • Through its turbulent history, Antarctica has played an important role in the evolution of planet Earth. This role will likely continue as a warming global climate begins to eat away at the ice sheets that cover the continent. The fate of the world as we know it is linked to the fate of Antarctica.

  • May 22nd, 2011. A powerful tornado cut a mile-wide swath through Joplin, Missouri, the costliest and one of the deadliest tornado disasters ever. What did scientists learn when they peered into the realm of this SuperTornado?

  • The story of Earth's past sheds on the science of climate change today. While that story can tell us about the mechanisms that can shape our climate. it's still the unique conditions of our time that will determine sea levels, ice coverage, and temperatures.

  • Join a small team of rocket designers as they open a window into the future of space travel.

  • They are eruptions so vast, so Earth-shattering, they have changed the history of our planet. Climate collapse. Toxic turmoil. Mass extinction. Worse than a killer asteroid, or nuclear war, they are Earth's most destructive Supervolcanoes.

  • Explore the challenges of interstellar flight and the technological possibilities that may one day send us on a long voyage out into the galaxy. What imperatives will define the mission when it launches and finally arrives: exploration and science, or a struggle for survival?

  • Hurricanes and typhoons are creatures of tropical seas that sweep up heat-laden waters, converting it to wind, rain, and waves. Why do a rare few evolve into colossal monsters, that leave in their wake a trail of destruction, death, and despair?