After more than a decade spent cruising through deep space to rendezvous with Comet 67P/Churyumov–Gerasimenko, ESA's Rosetta mission is preparing to deploy a small lander to its surface early Wednesday, a process that mission managers liken to moving an object from one speeding bullet to another.

One of China’s strengths in the space game was thought to be cost, but SpaceX appears to be undercutting the country’s edge in this regard.

"It's an honor for me to work with these guys." said ISS commander Maxim Suraev, as Expedition 41 drew to a close late Sunday.

Aviation Week editors discuss the failures by Orbital Sciences and Virgin Galactic.

Orbital Sciences Corp. plans to re-engine its Antares launch vehicle and use one or two alternate launch vehicles initially to meet its International Space Station resupply commitments to NASA after last week’s launch failure.

The lessons the Antares failure board learns will be applied to future commercial spaceflight contracts for cargo—and eventually crew—as NASA continues to shift U.S. access to low Earth orbit onto privately owned vehicles.

After astronauts install a special 3-D printer in the ISS’s Microgravity Science Glovebox and set up the high-definition video cameras that will watch its extruder and work platform from two different angles, controllers at a small startup company in California will send signals to begin making things in orbit.