Joining Lovell and Haise at Space Center Houston for the anniversary were three of the four flight directors who led Mission Control during Apollo 13: Milt Windler, Gerry Griffin and Gene Kranz.

Apollo 13′s astronauts never gave a thought to their mission number as they blasted off for the moon 50 years ago. Even when their oxygen tank ruptured two days later — on April 13.

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 ...

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 ...

Lovell, Haise and Jack Swigert, a last-minute fill-in who died in 1982, were almost to the moon when they heard a bang and felt a shudder. One of two oxygen tanks had burst in the spacecraft's ...

In an instant, NASA's third attempt to land human beings on the Moon was transformed into a tense battle for survival, a mission with a single goal: bringing astronauts Jim Lovell, Fred Haise and Jack ...

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 ...

Apollo 13′s astronauts never gave a thought to their mission number as they blasted off for the moon 50 years ago. Even when their oxygen tank ruptured two days later — on April 13. Jim Lovell ...

Even when their oxygen tank ruptured two days later -- on April 13. Jim Lovell and Fred Haise insist they're not superstitious. They even use 13 in their email addresses ...

Even when their oxygen tank ruptured two days later — on April 13.Jim Lovell and Fred Haise insist they’re not superstitious. They even use 13 in their email addresses.As mission ...

Apollo 13's astronauts still shun superstition 50 years after their harrowing moonshot.