Ancient CivilizationsHarvard scientist claims Mars was home to a civilization wiped out in a nuclear war Posted on April 16, 2025 by Administrator An ancient civilization on Mars was wiped out by a nuclear attack from another alien race. It might sound like the plot of a science fiction novel, but Harvard scientist Dr John Brandenburg believes this catastrophic event really happened. According to his bizarre theory, Dr Brandenburg says ancient Martians known as Cydonians and Utopians were massacred in the attack – and evidence of the genocide can still be seen today.