Arts & Letters Daily - ideas, criticism, debate. Project Censored — The News that Didn't Make the News and Why. Opinion: Why I signed up for a one-way trip to Mars. Water-ice clouds, polar ice and other geographic features can be seen in this full-disk image of Mars from 2011.
NASA's Mars Curiosity Rover touched down on the planet on August 6, 2012. Take a look at stunning photographs of Mars over the years. A Custom News Experience.