Frohn updates the chart once every month (and has been doing it since late-2010) with every mission currently out in our solar system, as well as the planned ones with set launch dates coming up.

Solar study mission moves to next design stage. Slated for launch in 2018, Solar Probe Plus will orbit the Sun 24 times, gradually moving in toward the Sun with each pass.

A peer-reviewed paper that found a correlation between solar activity and earthquakes is sending tremors through the scientific community. Salon reached out to scientists to inquire after the ...