If you're planning to go to the 2014 Annual Fall Meeting of the American Physical Society in Illinois this Saturday, you might be in for a bit of a surprise with the final talk of the day.
Because that's when plasma physicist Dr John Brandenburg will present his theory that an ancient civilisation on Mars was wiped out by a nuclear attack from another alien race.
In 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.
And at the APS meeting, no less. :- To read more, click here.