Add Yahoo as a preferred source to see more of our stories on Google. Four astronauts in training to fly around the moon early next year strapped into their Orion spacecraft this weekend for a dress ...

Add Yahoo as a preferred source to see more of our stories on Google. For the first time in half a century, countdown clocks began ticking Monday toward launch of a three-man one-woman crew on a trip ...

Four astronauts in training to fly around the moon early next year strapped into their Orion spacecraft this weekend for a dress rehearsal countdown in a major milestone toward launch. Based on ...

For the first time in half a century, countdown clocks began ticking Monday toward launch of a three-man one-woman crew on a trip to the moon and back, a major step in NASA's accelerated drive to ...