My Uncle Martin thought so
Yes, "My Favorite Martian"
RIP Ray Walston & Bill Bixby
We need more scientific results from the Mars rover to answer your question.
Please remember that, for more than ~3-1/2 billion years, multicellular life did not exist on earth. It took about 3 billion years for life to progress from single-celled life to more than one celled life, here on earth.
yes but the complexity of said life is in question it is in the Goldilocks zone after all but I wonder about the lack of magnetic fields that we have and the radiation levels there
Not existed, 'exist' :P
yes and they do exist but some of them came to earth in human form
Prove shows there was flowing water. It takes a long time too create that
Polar ice caps....