Video: Falcon 9 fires up engines for static fire test (members only)

Three new space station residents blasted off Wednesday on a fast-track six-hour pursuit of the orbiting research complex, kicking off five months in space. The U.S.-Russian-Japanese space crew lifted off at 2102 GMT (5:02 p.m. EDT) from the Baikonur Cosmodrome in Kazakhstan, and docking occurred 0245 GMT (10:45 p.m. EDT).

Amazon has selected United Launch Alliance’s Atlas 5 rocket for nine missions from Cape Canaveral to deploy satellites for the Kuiper internet constellation, a fleet designed to eventually number more than 3,200 spacecraft, the companies announced Monday.

NASA says it is interested in flying astronauts and scientists on commercial suborbital vehicles, like those being tested by Virgin Galactic and Blue Origin, to provide additional training and research opportunities augmenting missions to the orbiting International Space Station.