An pretty cool discover. Check out the short video from CBS News about it. I’ve been researching human Mars missions and the prospects for life on Mars since high school and I have always said that there is life currently on Mars...we just haven’t found it yet.
Linked Article: https://www.cbsnews.com/video/looking-for-life-on-mars-at-the-bottom-of-a-gold-mine/?ftag=CNM-00-10aac3a