The Joys of Jetpacks: Shuttle Astronauts Rehearse Rescues
Shuttle Discoverys astronauts stole a chapter out of a Buck Rogers book Wednesday, test-flying jet backpacks that one day might save construction workers cast adrift from the International Space Station.

Discovery Astronauts Wire Up Station for Future Power Needs
Spacewalking astronauts performed a high-wire act at the International Space Station Tuesday, rigging up power converters that eventually will route electricity to the growing outpost.

Discovery Astronauts Take Third Spacewalk at Space Station
Astronauts aboard shuttle Discovery embarked Tuesday on a third spacewalk in as many days, heading into the home stretch of a weeklong flurry of construction work at the International Space Station.

Discovery Spacewalkers Help Install New Station Docking Port
Two spacewalkers and a construction crane operator outfitted the International Space Station with a new shuttle docking port Monday, and that's good news for NASA's next two outpost assembly crews.

Discovery Astronauts Venture Outside for Spacewalk No. 2
A spacewalking duo set out to mount a new shuttle hitching post at the International Space Station Monday during an excursion deemed critical to outpost assembly missions to be launched in the coming months.

Happy Astronauts Saunter Through First Spacewalk
Spacewalking astronauts waltzed through six hours of construction work at the International Space Station Sunday, whistling while they wired up a new metal truss at the orbital outpost.

Discovery Spacewalkers Press Ahead With Construction Work
A four-day spurt of spacewalking construction work kicked off at the International Space Station Sunday after a troubled but successful bid to mount a $273 million truss atop the frontier outpost.

Astronauts Mount First Part of Station Backbone
Discoverys astronauts mounted a $273 million truss on the International Space Station Saturday despite a short circuit that temporarily knocked out a computerized television system considered key to the construction work.

NASA Engineer To Be Rewarded
A NASA engineer who spied a 4-inch pin wedged against space shuttle Discovery's fuel tank will get a medal for quite possibly saving the lives of seven astronauts who are now en route to the international space station.

Discovery Docks With Station
Discovery's astronauts pulled off a tricky docking at the International Space Station Friday, setting the stage for a weeklong surge of hard-hat construction work at the high-flying frontier outpost.

Shuttle Mission Hits Antenna Snag
Shuttle Discoverys main communications antenna failed Thursday, and as a result, the ships astronauts wont be able to beam back TV coverage of their spacewalking construction work at the International Space Station.

Discovery Closes In On Space Station
Shuttle Discoverys orbital construction crew is in hot pursuit of the International Space Station today, lapping the planet once every 90 minutes as a prelude to a high-flying hook-up with the 13-story outpost.

Discovery Sets Sail on NASA's 100th Shuttle Flight
Shuttle Discovery blazed a brilliant trail through cloudy skies Wednesday, putting on a dazzling twilight show as seven astronauts rocketed off on a high-stakes International Space Station construction mission.

NASA Fueling Discovery for Launch Attempt Today
Shuttle Discovery is being gassed up for a launch attempt at Kennedy Space Center tonight but windy weather and low-clouds could force yet another delay in NASA's 100th shuttle flight.

High Winds Delay Countdown, Launch Now Set For Tuesday
Gusty winds at Kennedy Space Center forced NASA to halt preparations for tonight's planned launch of shuttle Discovery, prompting a one-day delay in the already postponed flight.

NASA Clears Discovery for Monday Launch Attempt
Discovery and an International Space Station construction crew have a green light for NASA's 100th shuttle flight, but windy weather could blow away a Monday night opportunity to get the milestone mission under way.

Discovery Repair Work Begins at Florida Launch Site
A sluggish fuel valve would have triggered a show-stopping halt to shuttle Discoverys launch a mere 9.7 seconds before a planned liftoff Thursday, prompting a lengthier delay in the postponed flight.

Problems Delay Discovery Launch to Monday
Discovery's launch on NASA's historic 100th shuttle flight is being delayed until at least Monday to give technicians time to inspect and possibly replace a balky fuel valve.

Shuttle Crew Set for Complex Station Construction Mission
The most ambitious space construction mission of all time is about to unfold in low Earth orbit, and for NASA, the stakes are sky-high.

Discovery Crew Ready for 100th Shuttle Mission
They could be the closest crew ever to fly the Space Shuttle. Training three years for a 10-day space mission, these seven astronauts have spent plenty of time together sharing challenges, solving problems and trading humorous one-liners from popular movies featuring characters such as Austin Powers and Monty Python.

Special Report: 100th Shuttle Flight

At 100 Flights, Shuttle Soars into Record Books
With its 100th mission this week, NASA's space shuttle is going where no spacecraft has gone before. The venerable, winged spaceship has flown more people and more cargo for more miles (kilometers) than any space vehicle ever built -- earning the shuttle a unique spot in the record books.

NASA Says Shuttle Fleet Built for Long Haul
Space Shuttle Discovery will take off this week on NASAs historic 100th shuttle flight, but dont look for the space agency to retire its 20-year-old fleet of winged orbiters anytime soon.

Shuttle Time in Space
Two years. Four months. Seven days. Tally it all up, and thats how much time space shuttle orbiters have spent in the air and in space during 99 flights combined, to date.

NASA's Shuttle Orbiters Travel the Distance
If youve got an old clunker out in the driveway with a lot of mileage on the odometer, take heart. Consider the number of miles each of NASAs shuttle orbiters have traveled...

Shuttle Safety Upgrades to Sail Through Congress
NASA is seeking nearly half a billion dollars in its budget for next year to make safety upgrades on the space shuttle to ensure that the aging craft can meet the nation's piloted space needs for the foreseeable future.