Fedge

Space shuttle Endeavour's final launch has been delayed until at least the end of the week because technicians need to replace a switch box in the engine compartment, NASA said Sunday.

NASA doles out $270 million to four companies heading the charge in private spaceflight, the space agency announced late Monday.

NASA will be announcing where the retiring space shuttles will go on display once the program ends this summer.

The fierce Cold War boiled over with the Russian launch of Sputnik in 1957. U.S. Defense Secretary Robert McNamara answered with the legendary Nike-Zeus program, a six-year project to develop the Army's first antiballistic missile. General Ivey O'Drewry, the man who led the follow-on Nike-X program 

Russia orders the International Space Station to shift orbit.