Mastracchio, Anderson Press Ahead With Spacewalk Tasks

Rick Mastracchio attached fluid lines to the new Ammonia Tank Assembly (ATA) mounted on the International…

Mastracchio, Anderson Outside for Final Spacewalk

Spacewalkers Rick Mastracchio and Clayton Anderson switched their suits to battery power at 2:14 a.m. EDT…

Spacewalk Preps an Hour Ahead of Timeline

Astronauts aboard the space shuttle Discovery and International Space Station complex are briskly running through their…

Final Spacewalk Set for STS-131

The crew of space shuttle Discovery awoke Monday at 10:21 p.m. EDT to “Galileo” by Indigo…

Spacewalkers “Camping Out” in Airlock

Mission Specialists Rick Mastracchio and Clayton Anderson configured their tools in the Quest airlock. After a…

Spacewalkers “Camping Out” in Airlock; Mission Status Briefing Canceled

Today’s Mission Status Briefing was canceled. Instead, STS-131 space shuttle Orbit 2 Flight Director Mike Sarafin…

Cargo Transfers Continue From Leonardo to Station

The crew of space shuttle Discovery awoke Sunday at 9:51 p.m. EDT to "Because We Believe"…

Second STS-131 Spacewalk Complete

STS-131 Mission Specialists Rick Mastracchio and Clay Anderson completed a seven-hour, 26-minute spacewalk at 8:56 a.m.…

Spacewalkers Successfully Engage Troublesome Bolt

Mission Specialists Rick Mastracchio and Clay Anderson removed all four bolts and reseated the Ammonia Tank…

Balky Bolt Slows Spacewalkers

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