Earth water likely came from space

The thing that makes our planet unique in the solar system is its large bodies of liquid water -- a prerequisite for life. But where did that water come from. Ironically, scientists are beginning to believe that it came from space -- and that more ice is locked up in asteroids and other heavenly bodies. Read more...

Related:
ITWorld DealPost: The best in tech deals and discounts.
Shop Tech Products at Amazon