Instant Alert: NASA's Spirit Mars rover discovered mysterious growths on Mars that could be the biggest discovery in science

MANAGE SUBSCRIPTIONS   |   UNSUBSCRIBE   |   VIEW ONLINE   NASA's Spirit Mars rover discovered mysterious growths on Mars that could be the biggest discovery in science by Jenner Deal and Jessica Orwig on Feb 4, 2016, 12:27 PM Four billion years ago, Mars looked a lot like Earth does today. So it's not surprising that a team of scientists believe that they may have discovered the first signs of ancient alien life on the planet. Produced by Jenner Deal. Original Reporting by Jessica Orwig. Follow BI Video: On Facebook   Share the latest business news with your network: Email sent to:   |   Manage your email preferences   |   Unsubscribe Terms of Service   |   Privacy Policy Business Insider. 150 Fifth Avenue, New York, NY 10011