To bring a human mission to the Red Planet from fiction to fact, our Human Research Program has organized hazards astronauts will encounter on a continual basis into five classifications. Take a look a Hazard #1 – Space Radiation: https://nasa.tumblr.com/post/176697621464/space-radiation-hazard-of-stealth | NASA - National Aeronautics and Space Administration

Scientists, for the first time, have imaged the edge of the sun and revealed origins of solar wind. Using one of our solar observatories, we can now have a global picture of solar wind evolution. Take a look: http://go.nasa.gov/2c8dQgc | NASA - National Aeronautics and Space Administration