Health threat from cosmic rays

• Here's How Future Astronauts Could Survive the Radiation of Space (07 May 2018)
  
• Mars-bound astronauts face chronic dementia risk from galactic cosmic ray exposure (23 Sep 2017)
  
• Researchers study radiation risks for astronauts journeying to Mars (30 Apr 2016)
  
• NASA selects nine space radiobiology research proposals (26 Mar 2016)