Iapetus is one of the weirdest moons in the solar system, and one of its weirdest features is its prominent, equatorial mountain range. Now, Popular Science reports on a new theory as to the origins of this peculiar ridge: The mountains, researchers posit in a study recently published in arXiv, fell from spaaaaaaaace. » 4/17/14 5:55pm Yesterday 5:55pm

The biggest avalanches in the solar system happen on Saturn's moon…

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… » 7/30/12 7:25am 7/30/12 7:25am