The wired Earth of the 21st century is at the mercy of the volatile nature of the sun.
At a time in the sun's cycle when space weather experts expect less solar activity, our star is going bonkers with solar flares and coronal mass ejections. What effects will Earth feel?
Scientists still don't know what caused the mysterious phenomenon 'Steve'.
With the probe now on its 'Grand Finale,' a Cassini team member describes the amazing discoveries it made about the ringed planet and its many moons.