DID COSMIC RAYS KILL THE MARTIAN? A senior space weather analyst has calculated the odds that astronauts in the hit film The Martian could have survived solar flares and cosmic rays during their travels to Mars. Learn more about the science behind the blockbuster on today's edition of http://spaceweather.com.
BEAUTIFUL ERUPTION: Earlier today, a massive and beautiful plume of plasma erupted near the sun's southeastern limb. The event could herald the approach of an active sunspot and an increase in solar activity this weekend. Check http://spaceweather.com for update.
Above: NASA's Solar Dynamics Observatory photographed this eruption on Oct. 16, 2015.
