Can humans survive on Mars? Scientists fear RADIATION threatens NASA Mars missions NASA astronauts who could one day head to Mars will be exposed to incredibly high doses of radiation – a risk that could jeopardise the safety of future Mars missions. Share: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook Related Posts:Blue Moon 2019: Will the Full Moon turn BLUE tonight? Why is it called a Blue Moon?Blue Moon 2019: The FINAL Blue Moon of the year rises TONIGHT - Don’t miss it!NASA BOMBSHELL: Agency working on ELECTRIC planes in bid to stop environmental CATASTROPHE186mph flying electric taxi performs successful test flight - ‘a HUGE step’Blue Moon 2019 LIVE stream: Watch the May Flower Moon light up the sky online HEREDeadly Germs, Lost Cures: Citrus Farmers Facing Deadly Bacteria Turn to Antibiotics, Alarming Health Officials