In April 1970, the Apollo 13 mission was supposed to be another routine journey to the Moon. Instead, it became one of the most dramatic survival stories in the history of space exploration. Two days ...

Ed Smylie, who became a quiet hero of the space age in 1970 when he and his fellow NASA engineers jury-rigged an air filter that kept the three Apollo 13 astronauts alive after an onboard explosion ...

Once America's most experienced astronaut, Apollo 13's Jim Lovell, who died at 97, was the first to visit the moon twice.