Biosignature · Biosignature Science
Geological Biosignature
Structures preserved in rock that life can build — layered stromatolites, biominerals, and microfossils. Perseverance is exploring an ancient Martian river delta where such signs might be preserved.
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.