This Viking 1 orbiter image shows the rocky surface and thin atmosphere of Mars.
April 10, 2014 A Dutch organization called Mars One plans to establish a human colony on Mars by 2025. Anthropologist Barbara J. King wonders what it takes to leave your loved ones behind for the Red Planet.
NASA's Hubble Space Telescope took this close-up of the red planet Mars when it was just 55 million miles away in 2007.
April 22, 2013 The company Mars One has launched a program that could allow you (yes you!) to make a trip to Mars. But you can't come back.
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