Biosignature · Biosignature Science
Chemical Biosignature
Chemical fingerprints of life in rock or ice — the isotopic ratios life prefers, the handedness (chirality) of its molecules, and specific organic byproducts — the kind of evidence the Perseverance rover seeks and caches on Mars.
Worlds, missions & methods
Knowledge connections
- Member of groupBiosignature Science
- Associated withMars
- Associated withMars 2020
Sources
The primary and reference sources this topic draws on.
- NASANational Aeronautics and Space Administration
Mission data, planetary science, space telescopes, and public-domain imagery.
Most NASA-produced imagery is in the public domain; individual items are checked for usage terms before publication.