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www.reference.com/article/can-t-live-mars-a14755e1777415b9

Humans cannot live on Mars because neither the temperature nor the atmosphere is compatible with human survival. There is also no edible food and very little available water. However, given the construction of an artificial environment, life on Mars could be possible.

www.reference.com/article/would-mars-good-planet-live-5ee3716d8b287017

As of 2014, scientists believe Mars is the most likely planet in Earth's solar system, outside of Earth, to support human existence. However, this doesn't say much about the potential for life on other planets, as many major obstacles impede life on Mars without signifi...

www.reference.com/article/life-mars-c9d76ceee6db8d0d

As of 2015 there is no conclusive evidence that life on Mars exists or has ever existed, but scientists are hesitant to give a definitive answer without conclusive data. Most experts agree that it is theoretically possible that Mars could have life, but without evidence...

www.reference.com/article/mars-made-39eb54a22db1dedd

Mars is made of basalt, feldspar, pyroxenes, olivine and other materials that form rocks. The abundance of iron oxide, or rust, in the soil gives it its reddish color. The alkaline soil contains substances such as magnesium, potassium, oxygen, salts and chlorine.

www.reference.com/article/mars-water-ad459a4f2db0758b

The Mars Curiosity rover has discovered that Martian soil is made up of about 2 percent water. The Mars atmosphere contains a small amount of water vapor, but the majority of Mars' water is believed to be trapped in the polar ice caps as ice.

www.reference.com/article/mars-created-cdea958df2ed8c0e

According to Tim Sharp at Space.com, the planet Mars was formed in a similar fashion to every other planet in the Milky Way solar system. The formation occurred when a collection of gas and dust collapsed in on itself and pulled matter into the center of its gravitation...

www.reference.com/article/big-mars-bc38c80c4ecabccb

Mars is the second smallest planet in the solar system, with a diameter of just over 4,212 miles and a circumference of 13,256 miles. Its diameter is about 53 percent that of the Earth. Among the major planets, only Mercury is smaller.