On Monday and Tuesday, spacewalking astronauts installed a new Italian-built cargo carrier that will provide storage for the International Space Station, after it is unpacked in coming weeks.
Space shuttle astronauts will add finishing touches to the space station and bottle up some 'outer space' for JAXA, the Japanese space agency, during Monday morning's spacewalk.
Sensors failed to signal fuel valve’s status. But further tests may allow officials to “relax” a rule.
Koichi Wakata, the first Japanese astronaut to return from a long space journey, greeted friends after 4-1/2 months.
The shuttle's departure broke up the biggest off-the-planet gathering ever: 13 people altogether in space.