VolcanoeshavelonghelpedshapetheEarth.Butwhatislesswellknownisthattherearevolcanoesonotherplanetsandmoonsthatareevenmoreextraordinarythanthoseonourownhomeplanet.HorizonfollowsaninternationalteamofvolcanologistsinIcelandastheydrawfascinatingparallelsbetweenthevolcanoesonEarthandthoseelsewhereinthesolarsystem.Throughthe...