Blood Falls (IMAGE) University of Alaska Fairbanks Caption Blood Falls is a famous iron-rich outflow of water that scientists suspected was connected to a water source that may have been trapped under an Antarctic glacier for more than a million years. Credit Photo by Erin Pettit Usage Restrictions Please credit photographer. License Licensed 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.