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Most people take it for granted that we have yet to make contact with an extraterrestrial civilization...Our Galaxy is so old that every corner of it should have been visited many, many times over by now. No theory to date has satisfactorily
Bigelow, founder and president of Bigelow Aerospace, has aspirations well beyond Earth's atmosphere: Bigelow is building and launching space habitats that he says could someday serve as the foundation for a colony on the moon...The Las Vegas High
11 February 2013 Fewer than one in a million stars in our galaxy are orbited by planets with civilizations advanced enough to be able to transmit detectable radio signals, a team of scientists at the University of California at Berkeley have
There's a secret that's much bigger than politics, health freedom, science or even the entire history of the human race. That secret remains entirely unacknowledged -- even condemned -- by the scientific community, and yet it is the single most
It's commendable that our scientists are able to search for life on other planets and intelligence in outer space...What we really need right now is for someone to find honest and intelligent life in our Congress...I was impressed and reassured by
Does a galaxy filled with habitable planets mean humanity is doomed? Last week, we reported on the astounding confirmation that all solar systems in the Galaxy probably have planets, and that Earthlike planets are more common than previously thought .
This video presents an animated exploration of the famous and fascinating Fermi Paradox Given the vast number of planets in the universe, many much older than Earth, why haven't we yet seen obvious signs of alien life? The potential answers to this
This post is part of the Overheard on CNN.com series, a regular feature that examines interesting comments and thought-provoking conversations posted by the community. CNN's Light Years blog always seems to be addressing some of life's biggest,
Text Size Extra Terrestrials have been a major part of science fiction pop culture for the last century. A report by astrophysicist David Piegel from Princeton University and physicist Edwin Turner from the University of Tokyo indicates that they
We live in a world ruled by pop princesses and pancake houses, where video games have replaced books and writers no longer need grammar. But look deeper, and it's easy to see that our sometimes witless world remains an inquisitive and clever place.