Space program plans elusive nuclear spaceship by 2012
                                
                                
                                    (Newser) -
                                    The Russians are planning to ride a $600 million nuclear-powered spaceship to Mars, and they say they may begin construction by 2012. “It’s a very serious project, and we need to find the money,” president Dmitry Medvedev says. Small nuclear reactors and batteries have long powered satellites,...