Zoe Rover in the Atacama Desert (IMAGE) Washington University in St. Louis Caption Zoe sets out bravely in the Atacama. The rover, which carries instruments that are candidates for future missions to Mars, will spend the next several weeks in the desert, one of the harshest environments on Earth and the one that most closely resembles Mars. Credit A. Wang Usage Restrictions None 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.