Balky Bolt Slows Spacewalkers

Four hours, 33 minutes into the spacewalk, Rick Mastracchio and Clay Anderson are unable to install…

New Ammonia Tank Assembly Attached to Truss

At 5:04 a.m. EDT, space station robotic arm operators Jim Dutton and Stephanie Wilson attached a…

Spacewalkers Swapping Out Ammonia Tanks

Spacewalkers Rick Mastracchio and Clay Anderson removed electrical connections and bolts that held a spent Ammonia…

Second Spacewalk Starts Early

Spacewalkers Rick Mastracchio and Clay Anderson switched their spacesuits to battery power at 1:30 a.m. EDT,…

Spacewalk Preparations Moving Ahead of Timeline

Preparations for today’s second spacewalk are proceeding briskly. Spacewalkers Rick Mastracchio and Clay Anderson are estimated…

STS-131 MCC Status Report #13

Discovery Mission Specialists Rick Mastracchio and Clayton Anderson installed a 1,700-pound ammonia tank on the International…

STS-131 MCC Status Report #14

Astronauts on space shuttle Discovery will enjoy some well-deserved off-duty time in the morning, then continue…

Upgrading the Station

During the STS-131 mission's first spacewalk, which lasted about 6.5 hours, NASA astronaut Rick Mastracchio helped…

Crew Focuses on Second Spacewalk

The crew of space shuttle Discovery awoke at 9:26 p.m. EDT to “Stairway to the Stars”…

Mission Extended for Late Inspection, False Alarm on Station

Mission Control informed space shuttle Discovery Commander Alan Poindexter that mission managers are extending the flight…