December 13, 2012 Commercial space travel is becoming a reality. Now people who have longed to go into space can buy a ticket, if they've got the cash. But are they healthy enough to make the voyage?
November 16, 2011 NASA is advertising for new astronauts and would like to train them to travel as far as Mars.
September 7, 2011 The longer missions of the future, the training needed to fly on Russian ships and other factors combine to create the need for 5 to 10 more, according to the group's report.