Life-like deposits (IMAGE) University of Edinburgh Caption Composite image showing some of the types of fossil-like specimens created by chemical reactions that could be found on Mars Credit Sean McMahon, Julie Cosmidis and Joti Rouillard Usage Restrictions No restrictions. License Public Domain 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.