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Despite being a feat of engineering and research, the International Space Station's days are numbered, with some estimates aiming between 2014 to 2020 for its end of operations. But Bigelow Aerospace of Las Vegas, Nev., hopes to build new inflatable space

Vote Now: 21st Century's Greatest Space Innovators

Top 10 Strangest Things in Space

Top 10 Strangest Things In Space

Space.com reviews the top ten stellar mysteries in outer space from supernovas to stellar explosions and more.

Top 10 Star Mysteries

Top 10 Revelations of the Space Age

Top 10 Revelations Of The Space Age

Nine Planets Become 12 with Controversial New Definition

Top 10 Extreme Planet Facts

Suborbital SpaceShipTwo Glides over Mojave Spaceport

Top 10 Fantasy Spaceships Headed For Reality

The Greatest Lunar Crashes Ever

The Greatest Lunar Crashes Ever

The Top 10 Views of Earth From Space

The Top 10 Views Of Earth From Space

Ten Alien Encounters Debunked

Ten Alien Encounters Debunked

Composite Images of Columbia During Ascent on STS-107

Top 10 Questions About Nasa's Columbia Shuttle Tragedy

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