Private spaceflight is in business: In a big success for SpaceX, its Dragon capsule arrived at the International Space Station on Friday, making the first commercial delivery into the cosmos.
On Saturday, Elon Musk's SpaceX will make the first ever attempt by a private company to launch a spaceship and dock it with the International Space Station. Are we looking at the more affordable future of space flight?
On Sept. 29, 2011, the first module of a new space station blasted into orbit, initiating an era of space exploration different in one key respect: We didn't launch this station; China did. And while China's ascendance to space superpower confirms changes in the global economy, you shouldn't count the U.S. out of space just yet.