Space shuttle Discovery carries not only the STS-133 crewmembers, but also some fascinating research and technology.
The new Permanent Multipurpose Module Leonardo should know its way around the International Space Station as it marks its eighth and final visit to the orbiting laboratory.
Space shuttle main engine technicians discuss the careful techniques required for the work.
Space shutttle Discovery's external tank is undergoing modifications to strengthen its support stringers.
For nearly three decades, the NASA Railroad at Kennedy Space Center in Florida has kept the space shuttle's solid rocket boosters on track.
Space shuttle main engine technicians discuss the careful techniques required for the work.
Teams filled Discovery's external fuel tank with super-cold propellants to analyze stress on stringers.
NASA has a roster of runways around the globe that could host a shuttle landing.
The space shuttle main engine endures extremes of every kind during launch, just as its designers intended.
A pair of scanning technologies are being used to peer through space shuttle Discovery's external tank.
NASA and LEGO have joined forces to inspire students to learn more math and science.
An award-winning "Top Chef" recipe is set to fly to the International Space Station on Discovery’s STS-133 mission.
The crew of STS-133 is taking along dozens of items to mark the last space voyage of Discovery.
Workhorse, ambassador, scientist and equal opportunity emissary. Space shuttle Discovery has fulfilled all those roles over the course of its 352 days in space, thus far.
Kennedy Space Center's timing crew keeps a sharp eye on the launch countdown clock.
The Nobel laureate leading the AMS project expects the instrument to reveal fundamental answers about the universe and raise new questions.
Team members help keep liftoff preps on schedule and give final countdown instructions to astronauts.
The Terminal Countdown Demonstration Test has taken place at Kennedy Space Center since 1981 preparing the space shuttle crew for launch day.
The solid dependability of the crawlers serves the shuttle program to the end.
In Shuttle Launch Director Mike Leinbach's office overlooking Firing Room 4 of the Launch Control Center, his emotions have inspired several beautiful works of art.