Mars has always captivated earthbound observers for centuries. Giovanni Schiapelli created a modern map of Mars in 1877 that detailed a system of canals on Mars. The canals found on Mars are not the creation of an advanced race, but a natural geological phenomenon associated with standing water. The fact is, evidence readily available today proves that life exists on Mars, and however primitive it may be, it leads humanity to the inevitable conclusion that life is not a phenomenon localized to our planet, but widespread throughout our solar system, and star systems beyond ours.
Many different sciences have produced substantial evidence for life on Mars. Many topics are the subject of fierce scientific debate, but the sheer range of evidence of life is almost staggering. There is geological, atmospheric, and even physical evidence that life is indeed abundant on Mars in primitive form. The opposition of the fact life exists on Mars is quickly becoming scarcer, and many theories exist to disprove phenomenon that is happening on Mars right now that is conducive to microbial life. However, there are is so much intriguing evidence that life exists, no one theory can successfully link all the evidence supporting the existence of life on Mars and explain it.
One of the most compelling findings in ALH84001 is, through the use of a powerful electron microscope, the existence of what is being called “ovoid”. These small shapes may actually be fossil remnants of an ancient primitive microbial life form. These fossils are significantly smaller in size than bacteria microfossils found on Earth, yet larger than alleged “nanofossils” discovered recently in terrestrial rocks. These “nanofossils” are generally not considered a viable fossil organism, hence the reluctance to declare the shapes cosmic fossils (Jones, 2002). Current theories are unable to prove these “ovoids” are of a non-biological origin.
So the evidence is there that life once existed on Mars. Life on Mars today is probably much different. The landscape is barren, rocky, and cold. Life would be hard, even for a microbe. Can a primitive life form exist in such a condition? Life is very resilient, and studies prove that microbes can exist in extreme circumstances.