To think that something as common as ordinary water is the key that we are looking for--the key to finally determining once and for all if there was or is life on Mars. More than any other place in our solar system, Mars is the most like Earth and probably is the most likely to have had life on it one time or another. We know that Mars has polar ice caps and clouds, which …showed first 75 words of 442 total…

…showed last 75 words of 442 total…rivers on Mars to see if there are any fossil remains there. There is much work to do on Mars, but the challenge is worth it. Finding evidence of life there would definitely change the way we look at our universe. If something so close as Mars had life, there are so many other possible places where there could be more advanced life. This is just the beginning of our search. The possibilities are endless.