additionally in his weblog concerning the historical past of science, the way it was troublesome to show the evolution theory correct on planet Earth. See Science journal Curiosity internet-page: and there article New Results Ship Mars Rover on a Quest for Ancient Life.
And that Mars has gone by way of a long evolution course of producing greater types of life, not simply microbes. Simply looking at footage in this net-page it is easy to say that Mars is a planet of previous and present life. NASA has been unusually cautious in telling about findings associated to doable life on Mars.
A Conspicuous Clay Ovoid in Nakhla: Evidence for Subsurface Hydrothermal Alteration on Mars