In case you hadn't heard, there's a hole on Mars — multiple holes ... "So these pits we see could open into larger caves, or they could just be isolated pits." Beyer added, "There's no way ...
For example, Moxie (Mars Oxygen In-Situ Resource Utilization Experiment) is a project developed by scientists ... as each year sees new projects in caves, deserts and other extreme environments ...
In the picture above, taken in November 2022, I’m standing inside the cave that served as our ‘Martian’ base for six days. Mars astronauts will probably live in caves to protect themselves ...