- Strange DNA found in the desert offers lessons in the hunt for Mars life The Washington Post
- Mars rover sensors may not be sensitive enough to find signs of life New Scientist
- How the “Face on Mars” and other false positives impact the search for alien life Big Think
- Dark microbiome and extremely low organics in Atacama fossil delta unveil Mars life detection limits Nature.com
- Signs of Mars life may be too elusive for rovers to detect Space.com