Splashdown? (IMAGE) Columbia Climate School Caption Researchers have found apparent remnants of an extraterrestrial impact some 55 million years ago, in cores from three locations in southern New Jersey, and in a deep-seabed core off Bermuda. They say it is possible the impact kicked off a warm period often cited as the closest analog to today's rapid human-induced global warming. Credit Schaller et al., Science, 2016 Usage Restrictions Credit must be given. 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.