Why This Astronaut Thinks NASA Can Save Humanity From Extinction

Astronaut Daniel T. Barry thinks NASA's mission to Mars is humanity's most important endeavor yet, for reasons including the birth of Captain Kirk. We talked to him about what it's like to explore the Final Frontier. » 3/23/15 4:27pm 3/23/15 4:27pm

SpaceX Launches Second Successful Orbital Rocket

As the Space Shuttle Endeavor waits on the launch pad for optimal weather conditions, the Elon Musk-founded SpaceX launched its second successful rocket into orbit late Monday night carrying a Malaysian satellite into orbit. » 7/15/09 1:00pm 7/15/09 1:00pm