US Space Agency Improves Shuttle Safety, Management
134255
The US space agency, NASA, continues work on improving the safety of the space shuttle, before the fleet of orbiters resumes its visits to the international space station next year.
148591
CAPE CANAVERAL, Florida  - Two U.S. astronauts replaced a broken motor on one of the International Space Station's solar wings during a spacewalk on Wednesday, clearing the way for more modules to be added to the outpost.
579732
NASA managers said the craft showed no sign of damage after the appearance of mysterious debris caused concern.
670790
NASA resolved lingering concerns about lines connecting the external fuel tank to Atlantis on Wednesday and moved ahead with preparations for the first space shuttle launch of the year.
378274
US space officials are optimistic that Wednesday's launch of space shuttle Atlantis will go ahead.
692099
CLEVELAND, OH -- As NASA readies the space shuttle fleet to fly again, the agencyâs risk management teams are also paying attention to risk issues that affect the International Space Station.
497582
Scans of the shuttleÂs delicate heat shield today so far reveal no worrisome damage to the craft.
96625
NASA is working to solve a potentially dangerous vibration problem in its next generation of launching vehicles.
734195
NASA is set to launch  another component of the International Space Station into orbit  on Friday, three months behind schedule but in compliance with  more rigorous safety standards imposed after the space shuttle  Columbia disaster in 2003.
683886
The reaction to NASA's still-secret air safety survey.
177655
NASA said its systems were in good shape and the countdown was going well for Thursday's launch of the Space Shuttle Discovery's mission to the International Space Station (ISS).
498474
By MIKE SCHNEIDER CAPE CANAVERAL, Fla. - Discovery's seven astronauts do not need to conduct an extra inspection of the space shuttle's belly and wings, NASA engineers studying the spacecraft's heat shield for damage recommended Tuesday.
110546
Two U.S. astronauts  replaced a broken motor on one of the International Space  Station's solar wings during a spacewalk on Wednesday, clearing  the way for more modules to be added to the outpost.
556885
NASA said Thursday it had corrected flaws that caused the destruction of the space shuttle Columbia in February 2003 and that a modified shuttle would be ready to resume flights sometime next Spring.
163268
NASA declared that it's back in the space-station assembly business Thursday after shuttle Atlantis and its six astronauts safely returned from a 12-day mission to install a big new piece of the orbiting outpost.
572746
NASA officials said Thursday that they had made significant progress in making shuttles safer and changing the way they do business.
291005
By Traci Watson USA Today  The third day of this week's renovations on the International Space Station went much better than the second day -- much to the relief of all involved.