Coronal Mass Ejections

http://en.wikipedia.org/wiki/Coronal_mass_ejection
http://earthsky.org/space/what-are-coronal-mass-ejections
http://www.slate.com/blogs/bad_astronomy/2014/08/01/solar_storm_a_massive_2012_cme_just_missed_the_earth.html
http://www.slate.com/blogs/future_tense/2014/09/11/two_coronal_mass_ejections_are_heading_for_earth_from_the_sun.html
http://www.history.com/news/a-perfect-solar-superstorm-the-1859-carrington-event
http://news.nationalgeographic.com/news/2011/03/110302-solar-flares-sun-storms-earth-danger-carrington-event-science/
http://solarscience.msfc.nasa.gov/CMEs.shtml
http://helios.gsfc.nasa.gov/cme.html

Related
http://stanislauscollege.blogspot.ca/2013/05/solar-flares.html