751c98c0-9f31-4289-ac9b-369138e1c206articlefncfnc/sciencefox-news/science/air-and-space/marsMike Wall Space.com Senior WriterSpace.com
The search for life on Mars should go underground, scientists say
[ad_1] The obstructed front wheel of NASA’s Spirit vagabond dug this trench inside Mars’ Gusev…