Probably no life. But check out "Mars", its a documentary and science fiction television series.
There are interviews with various scientists, and engineers, such as Elon Musk, Andy Weir, Robert Zubrin, and Neil deGrasse Tyson, about the difficulties that a crew might face on a journey to, and living on, Mars.
If you are into this stuff, its highly informative and i can greatly recommend it. :)