
Fifty years to the moment after Alan Shepard rocketed away, more than 100 Project Mercury workers joined former astronauts and NASA leaders at the original Redstone launch pad Thursday to celebrate the event that opened space travel to Americans.
The first American in space, Mercury astronaut Alan Shepard, was honored with his own stamp Wednesday on the eve of the 50th anniversary of his flight.
NASA says a switch box removed from space shuttle Endeavour has a blown circuit.
NASA's space shuttles are dragging their tails toward retirement.
Space shuttle Endeavour's launch is off until probably the end of the week.
Space Shuttle Endeavour's final launch is off until at least the end of the week because technicians need to replace a switch box in the engine compartment, NASA said Sunday.
Space shuttle Endeavour's final launch is off until at least the end of the week because technicians need to replace a switch box in the engine compartment, NASA said Sunday.
NASA's space shuttles are dragging their tails toward retirement.
Engineers should know Sunday whether Endeavour's six-man crew and their families _ including wounded Rep. Gabrielle Giffords _ need to stick around for a Monday launch attempt or come back sometime around Mother's Day.