Apollo 13 was supposed to be NASA’s third crewed mission to the surface of the moon, but nearly 56 hours into the flight, command module pilot John “Jack” Swigert radioed a troubling message to ...

On the evening of April 13, 50 years ago, NASA astronauts James Lovell Jr., John Swigert Jr. and Fred Haise Jr. were about to go to sleep for the night in the Apollo 13 command module. They were about ...