Did Mars get nuked in a prehistoric inter-planetary war?

Was Mars once a hospitable Earth-like planet, suddenly decimated by ancient nuclear bombardment? And was it inhabited? SETI researchers like George Naas and John Brandenberg say “Yes,” and “Yes!”┬áSo what is the evidence of a lost population in our solar system? And what are the signs that our planetary neighbour was nuked? ESCAPING FROM EDEN…