Mars Science Investigations





Is Mars still geologically active?
Do habitable oases still exist?





How has the water cycle changed over time?

Early Mars Sea

Did habitable environments exist on Mars?

Early Mars Sea: Water and Life





"Scientists Say Mars Has a Liquid Iron Core"  Earth and Mars land mass comparison




"Got Mars?" "Mars Odyssey Finds Water Ice in Abundance Under Mars' Surface"



Uncovering the history of Mars may require deep drilling. In this cutaway view robotic Mars Outpost rovers have constructed a drill to look for deep subsurface water.


Revealing ancient environments on Mars

Ancient habitable environments on Mars speculation Mars Exploration Rover investigating ancient environments on Mars
Comparison between ancient and present environment Comparison between ancient and present environment, annotated



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