Wrapping up 12 days of work at the International Space Station, the shuttle Endeavour's crew undocks from the lab and tests navigation sensors and software for use in future spacecraft.
Discovery astronauts bid their space station counterparts farewell and undock from the lab complex after a three-spacewalk resupply mission. Landing in Florida is expected Monday.
Returning space shuttle leaves behind a new habitation module and observation deck that virtually complete the International Space Station.
The space shuttle undocks from the International Space Station after delivering more than 18,500 pounds of supplies, equipment, science gear, and fresh water.
Endeavour undocks from the International Space Station to wrap up a complex five-spacewalk construction mission. Landing in Florida is expected Friday.
The commercial craft will undock from the International Space Station tomorrow morning, as it looks to complete the first of at least 12 regularly scheduled supply missions.
Space Shuttler and social-media star Chris Hadfield praises SpaceX's Dragon but says the NASA-Russia bond remains strong.
The space agency offers more details of what it would do after corralling an asteroid -- collect samples and redirect the space rock to orbit around the moon. Yee-haw!
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