New evidence microbes played a role in mysterious markings on Mars

There are a couple potential explanations for distinctive markings found on a Martian rock, but new evidence suggests they are most likely to be related to microbial activity

​There are a couple potential explanations for distinctive markings found on a Martian rock, but new evidence suggests they are most likely to be related to microbial activity There are a couple potential explanations for distinctive markings found on a Martian rock, but new evidence suggests they are most likely to be related to microbial activity