No, as of yet there is no evidence of any life existing on Mars but they are still looking.
can life exist on mars
There was water at one time on Mars.
no
no
in the poles
Mars is further out from the sun than earth.
Mars still exists. It is about 4.6 billion years old.
All the Nasa projects would be useless,then all the investment for Nasa projects on mars would be used to help people on earth out of hunger .
It is becoming more and more likely that life will exist on mars. This is because mars has many quality's that the earth has. It is possible, that in a a few million years (although this is not by any means definite) that life will fully exist on mars.
Galileo did not discover Mars, mars has been known to exist since ancient times.
Not that we know of; Mars is totally barren except for some ice at the poles, which is mostly carbon dioxide. Water cannot exist on Mars in a liquid state, and so vegetation cannot grow.
Life has never been proven to exist on Mars.