SpaceStrange sand dunes on Titan could be made by cosmic rays hitting ice Saturn’s largest moon Titan has strange sand dunes that seem to be full of organic molecules, which may form when radiation from space hits ice on the ground News
SpaceBattle of the exomoon: Astronomers can't agree on controversial find What appeared to be the first moon ever discovered around a planet circling another star may not really exist, but it seems like we’ll never know for sure News