# Where is the peer-reviewed paper for "NASA Says Mars Rover Discovered Potential Biosignature Last Year" **URL:** \ **Category:** AWG Discussions\ **Created:** [December 2, 2025, 8:10pm UTC](https://awg.osdr.space/t/where-is-the-peer-reviewed-paper-for-nasa-says-mars-rover-discovered-potential-biosignature-last-year/3689 "2025-12-02T20:10:04Z")\ **Posts on this page:** 2\ **Page:** 1
**Author:** ![dave](https://sea1.discourse-cdn.com/flex001/user_avatar/awg.osdr.space/dave/32/123_2.png) [@dave](https://awg.osdr.space/u/dave)\ **Post date:** [December 2, 2025, 8:10pm UTC](https://awg.osdr.space/t/where-is-the-peer-reviewed-paper-for-nasa-says-mars-rover-discovered-potential-biosignature-last-year/3689/1 "2025-12-02T20:10:04Z")
Hi all, My shape analysis algorithm (the LCPC Transform) might be helpful in distinguishing the shapes of spots derived from microbes vs. in-organic causes. I’m looking for the peer-reviewed paper, but looks like it’s not out yet? Dave > **[NASA Says Mars Rover Discovered Potential Biosignature Last Year - NASA](https://www.nasa.gov/news-release/nasa-says-mars-rover-discovered-potential-biosignature-last-year/)** > > A sample collected by NASA’s Perseverance Mars rover from an ancient dry riverbed in Jezero Crater could preserve evidence of ancient microbial life. Taken ---
**Author:** ![jgong](https://sea1.discourse-cdn.com/flex001/user_avatar/awg.osdr.space/jgong/32/1469_2.png) [@jgong](https://awg.osdr.space/u/jgong)\ **Post date:** [December 3, 2025, 6:48am UTC](https://awg.osdr.space/t/where-is-the-peer-reviewed-paper-for-nasa-says-mars-rover-discovered-potential-biosignature-last-year/3689/2 "2025-12-03T06:48:39Z")
[https://www.nature.com/articles/s41586-025-09413-0](https://www.nature.com/articles/s41586-025-09413-0) That is the paper. The argument is more geochemical (redox chemistry) than morphological alone. Jian.