Space.comSearch for Life Poll: Do You Think Life Exists On Mars Now? By Life's Little Mysteries | April 11, 2012 06:39pm ET MORE Do you think life exists on Mars today? Yes - The Red Planet is teeming with tiny microbes, we just haven't found them yet. Yes - An advanced civilization lives below the surface, where we can't detect them. No - Life never existed on Mars. No - Mars once had life, but those organisms are long dead.