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National Geographic ChannelNat Geo Wild


From the Big Bang to the possibility of alien life and deep space travel, scientists expand our understanding of the universe.

Ever wondered what would happen if you were sucked into a black hole? Or, if wormholes could make time travel a reality? And could life on Earth survive a huge meteor strike like the one that took out the dinosaurs?

This series combines the most current scientific information, cutting-edge computer graphics, dramatic time-lapse sequences and everyday examples to shed light on some of the most mind-boggling aspects of our universe.

Sizing Up The Universe
In the known universe, size matters. From the enormity of the galaxy, to the tiny atoms that are the building blocks of everything, the universe is a place of extreme sizes. From the unimaginably big to the incomprehensibly small, explore size in the universe and exactly what it means to us and our understanding of the cosmos.

Blowing Up The Universe

Hidden behind all its serene beauty, the universe is a place of lurking peril, full of powers so immense they defy our comprehension. Take a look at the universe's dark side, a cosmos of impending menace. From earthquakes to hurricanes to massive asteroid impacts and exploding stars, explore its explosive powers and uncover the destructive forces that could be unleashed at any moment.Speeding Through The UniverseIn the cosmos’ vast expanse, nothing matters more than speed. Whether venturing out to the farthest reaches of the solar system or exploring the mysteries of space and time, speed is the key. From the merely quick to the unimaginably fast, explore speed and find out how tremendous velocities reveal a universe stranger and more exotic than ever imagined.


  • Known Universe: Surviving Outer Space
    The human body thrives on the welcome confines of Earth…but in space, survival becomes a tense, daily challenge.
  • Known Universe: Treasure Hunt
    For ages, mankind has been obsessed with finding treasure, from mining gold and other precious metals to the allure of diamonds buried deep underground.
  • Known Universe: Most Powerful Stars
    Our Sun is a tremendous source of energy and danger for our planet, but it has nothing on the stars that lie beyond our own tiny solar system.
  • Known Universe: Extreme Space Tech
    Humans have come to recognize Earth as an environment where we are in control. We're continually creating technologies that get bigger, faster, and make us more interconnected.
  • Known Universe: Biggest Cosmic Blasts
    Eruptions are not unique to our small planet - in fact, exploding is truly a universal language.
  • Known Universe: Construction Zone
    Engineering in space represents the future of human civilization but also poses some of our greatest technical difficulties. Building in zero-G is like constructing a ship, at sea…while it's moving.
  • Known Universe: Escaping Earth
    We've landed on the moon, and launched probes to study planets hundreds of millions of miles away. But when it comes to space travel, we're just babes in the woods.
  • Known Universe: End Of The World
    For every beginning there is an end and every end, a new beginning. This is true for humans and all life as we know it on Earth.