Is Mars the key to our origins? 

Eight-month journey to Mars of more than half a billion kilometers to detect the presence of the lives was and still a real victory for NASA in 2012. Missions were equipped laboratories to examine Martian soil and which gave some positive results, consistent with the presence of organisms, And enabling NASA revealed some puzzling discoveries made ​​by the Mars flight investigations in the mid-1970s.

On the other hand Dr. Gilbert Levin, who work in the laboratory tests, said that results can not be easily castaway, because they found evidence of strange chemical reactions on the surface of Mars, while some scientists think it could be a ploy by NASA to gain funding from the U.S. Congress of 2.5 billion $, But NASA is seeking to provide hard facts to justify its stance on future missions and Mars may be fit to live in, because they think that the common characteristics with life on Earth ,which is considered by some as merely curious only.

               

Reference

§  Mid-2030s, the. "Manned mission to Mars - Wikipedia, the free encyclopedia.".Org/wiki/Manned_mission_to_Mars>.

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§  "NASA - Mars Program Planning Frequently Asked Questions." NASA - Home. N.p., 12 Feb. 2012. Web. 12 Mar. 2013. <http:// Wikipedia, the free encyclopedia. N.p., 12 Mar. 2011. Web. 12 Mar. 2013. <http://en.wikipedia www.nasa.gov/offices/marsplanning/faqs/index.html>.