In a file photo, Minneapolis Police Sgt. William Palmer examines one of thousands of guns stored at a secure facility in the metro area. Tuesday, Jan. 12, 2011. (MPR Photo/Jeffrey Thompson)
Tens of thousands of people around the world have said they want to go to Mars, even if it means they will never return to Earth. Dozens of them were in the crowd Tuesday night at the Fitzgerald Theater for Science Night Minnesota — Mission to Mars. Read about Science Night.