NASA postpones Jan. 8 spacewalk due to 'medical concern' with an astronaut

NASA has postponed a planned Jan. 8 spacewalk outside the International Space Station due to a "medical concern" with an unnamed crew member. Mike Fincke and Zena Cardman had been scheduled to step outside the International Space Station (ISS) on Thursday at about 8:00 a.m. EST (1300 GMT), kicking off a roughly 6.5-hour extravehicular activity (EVA). But that spacewalk has been postponed. More

(Source: Space.com - Jan 8)