The longest living Martian rover ever – Opportunity – has just surpassed another unfathomable milestone – 4500 Sols (or days) exploring the Red Planet !! That’s 50 times beyond her “warrantied” life expectancy of merely 90 Sols. And as we are fond of…

And the robot of Chinese works only for a moment.
But NASA still unexplored caves on Mars. Mars caves bugs can protect against radiation and can be warm at night and cool during the day. Ie: The ideal place to look for life and human settlements the first place.
Luis Ortiz Flores “unexplored caves on Mars. Mars caves bugs can protect against radiation and can be warm at night and cool during the day” – Somebody is reading too much science fiction.