Ted Bunch Photo (IMAGE) Northern Arizona University Caption Ted Bunch of the Northern Arizona University geology department is a member of an international team that has found evidence of an extraterrestrial impact that may have wiped out the mammoths and other Ice Age species. Credit Photo by Jerry Foreman Usage Restrictions Must include photo credit 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.