Explosion shows space travel ` ` a really tough business , '' NASA official says . Spacecraft , which alone cost over $ 200 million , Orbital Sciences official says . Space station itself is in good shape even without resupply , says official . What happened ? The spacecraft burst into flames seconds after liftoff ; no injuries are reported .
Explosion shows space travel ` ` a really tough business , '' NASA official says . Spacecraft , which alone cost over $ 200 million , Orbital Sciences official says . Space station itself is in good shape even without resupply , says official . The spacecraft burst into flames seconds after liftoff ; no injuries are reported .