WHAT'S INSIDE: SPACE

Explore the vast reaches of space and mankind’s continuing efforts to conquer the stars, including theories such as the Big Bang, the International Space Station, plus what the future holds for space travel and exploration.
  • Aliens & UFOs
  • Astronomy
  • Future Space
  • Spaceflight
  • Space Exploration
  • Space Transportation Systems

FEATURED: SPACE

Jupiter is the largest planet and is fifth from the sun. It is the third-brightest spot in our skies--after the sun and Venus. Jupiter is made up almost entirely of gas, which means it doesn't have a solid surface like Earth does.

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Maybe Schwarzenegger had it right when he talked about the importance of pumping iron. Astronauts spend as long as four hours a day exercising. But why?

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