Astronauts Finish Spacewalk For Final Fix Of International Space Station Device
Two astronauts aboard the International Space Station made their fourth foray outside the spacecraft to prolong the lifespan of a cosmic ray detector.
Updated at 3:24 p.m. ET
Two astronauts aboard the International Space Station conducted their fourth and final spacewalk Saturday to finish a series of repairs aimed at extending the functioning of a cosmic ray detector attached to the spacecraft.
The six-hour, 16-minute foray outside the
