Ammonia Tank Secured in Shuttle Payload Bay

After struggling with alignment issues, spacewalkers Rick Mastracchio and Clayton Anderson succeeded in engaging all four…

Final STS-131 Spacewalk Continues

Three hours, fifty minutes into today's spacewalk, Rick Mastracchio and Clayton Anderson are having difficulty securing…

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…

NASA Robots Featured at ‘Robot Block Party’

NASA robots will be featured during a "Robot Block Party" at Stanford University, Stanford, Calif. from…

STS-131 MCC Status Report #17

Space shuttle Discovery Mission Specialists Rick Mastracchio and Clayton Anderson completed the replacement of a depleted…

Local Student Interns at NASA’s Kennedy Space Center

David Grismore of Bartlesville, Okla., has spent almost four months at NASA's Kennedy Space Center in…

STS-131 MCC Status Report #18

The astronauts and cosmonauts on space shuttle Discovery and the International Space Station will wrap up…

NASA Selects Companies for Aerospace Vehicle R&D Contracts

NASA's Langley Research Center in Hampton, Va., has selected five companies to provide the agency with…