CAPE CANAVERAL, Fla. - Russian cosmonauts are taking a spacewalk to lay cable for a new lab that's due to arrive at the International Space Station in a few months.
NASA is still investigating last month's close call. The problem appears to be in the life-support backpack.
The Russian Space Agency plans to launch a new science lab by year's end. This is the third of six Russian spacewalks planned for this year. The next one is next week.