Life on Mars | The red Planets mysteries

Thinking about life on Mars? Check out Labroots infographic outlining a potential future on the red planet. https://www.labroots.com/trending/space/20454/potential-life-mars

-Why is NASA looking for life on Mars?
NASA will also look for life on Mars by searching for telltale markers, or biosignatures, of current and past life. The element carbon, for instance, is a fundamental building block of life. Knowing where carbon is present and in what form would tell us a lot about where life might have developed.