News conferences, events and operating hours for the news center at NASA's Kennedy Space Center, Fla., are set for the final space shuttle launch.

When space shuttle astronauts are living and working in Earth orbit, their mission -- and, ultimately, their lives -- depend on all the shuttle orbiter's systems and controls working exactly as expected.

News conferences, events and operating hours for the news center at NASA's Kennedy Space Center, Fla, are set for the final scheduled launch of space shuttle Endeavour.

News conferences, events and operating hours for the news center at NASA's Kennedy Space Center, Fla, are set for the final scheduled launch of space shuttle Endeavour.

News conferences, events and operating hours for the news center at NASA's Kennedy Space Center, Fla, are set for the final scheduled launch of space shuttle Discovery.