Iapetus, already one of the strangest moons in our solar system, just got a little weirder. Images from the Cassini space mission reveal that the mysterious moon is home to massive ice avalanches second in size only to landslides seen on Mars. Studying them, say researchers, could help us better understand geological disasters here on Earth.
Our solar system is home to some pretty peculiar moons, but few are as curious as Iapetus. As we wrote back in March, Iapetus is like a riddle, wrapped in a mystery, swathed in an unaccountably two-toned exterior: