William Harwood The New York Times

With seconds to spare after a last-minute glitch, the repaired shuttle Discovery, grounded since November because of vexing fuel tank cracks, rocketed into orbit Thursday on its 39th and final flight, setting off for the International Space Station to deliver supplies, equipment and a final American storage module.The countdown proceeded smoothly i...

With seconds to spare after a last-minute glitch, the repaired shuttle Discovery, grounded since November because of vexing fuel tank cracks, rocketed into orbit Thursday on its 39th and final flight, setting off for the International Space Station to deliver supplies, equipment and a final American storage module.The countdown proceeded smoothly i...