NASA's Chris Cassidy and his colleague from the European Space Agency Luca Parmitano are currently in the middle of a six-hour spacewalk. This is the first of two spacewalks the Cassidy-Parmitano duo will make this month as they prepare the ISS for a Russian laboratory module that will be installed at the end of the year. And you can
watch every riveting minute
of the space-dangling glory live.