What It's Really Like To 'Walk' In Space
The International Space Station conducted a spacewalk this week to mark 15 years in space. Three people who've walked in space share their miraculous — and miserable — experiences.
spacewalks
ISS Spacewalkers Perform Tricky Cable, Antenna Installation
Two American astronauts at the Space Station are outside the craft for the last of three jobs aimed at paving the way to receive a new generation of crew modules beginning in 2017.