aug 102012
Plate Tectonics on Mars Discovered

  For years, many scientists had thought that plate tectonics existed nowhere in our Solar System but on Earth. Now, a UCLA scientist has discovered that the geological phenomenon, which involves the movement of huge crustal plates beneath a planet’s surface, also exists on Mars.   View of central segment of Mars’ Valles Marineris   [continue reading]

jul 302012
Giant Ice Avalanches on Iapetus Give Clues to Landslides on Earth

  “We see landslides everywhere in the Solar System,” says Kelsi Singer, graduate student in earth and planetary sciences in Arts & Sciences at Washington University in St. Louis, “but Saturn’s icy moon Iapetus has more giant landslides than any body other than Mars.” When the rimwall of Iapetus’s Malun crater broke off and plunged [continue reading]