Havens painting lighter (IMAGE) University of Alaska Fairbanks Caption Illustration showing a pair of adult tyrannosaurs and their young living in the Arctic during the Cretaceous Period. Credit Art by James Havens Usage Restrictions Credit artist 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.