On Aug. 7, 1972, in the heart of the Apollo era, an enormous solar flare exploded from the sun’s atmosphere.
Study: Mars Missions Should Be Limited to 4 Years to Protect from
The Martian: The science of surviving a space catastrophe
A way to escape from radiation has been found on Mars
What's the Best Shielding to Protect Astronauts on Mars
How Bad is the Radiation on Mars? - Universe Today
Mars-bound astronauts likely to develop brittle bones, new study
Will Humans Ever Colonize Other Planets? They Should.
How NASA Will Protect Astronauts From Space Radiation
Could humans have contaminated Mars with life?
How living on Mars would warp the human body : r/Futurology
New space radiation shields invented