Cabeous Crater Lunar South Pole (IMAGE) Southwest Research Institute Caption SwRI scientists joined a team that reanalyzed and modeled materials ejected by an impact into the Moon’s Cabeus crater a decade ago. The new findings suggest that volatile materials in the permanently shaded region near the lunar south pole were likely delivered by a comet. Credit USGS Usage Restrictions Images/videos may be used by the media and the public for educational and informational purposes only License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.