Never mind sex in space; what about death up there? ASSOCIATED PRESS May 2, 2007 CAPE CANAVERAL, Fla. – How do you get rid of the body of a dead astronaut on a three-year mission to Mars and back? When should the plug be pulled on a critically ill astronaut who is using up precious oxygen and endangering the rest of the crew? Should NASA employ DNA testing to weed out astronauts who might get a disease on a long flight? With NASA planning to land on Mars 30 years from now, and with the recent discovery of the most...