After the Moon landing, Apollo entered its most dangerous and scientifically ambitious phase. Apollo 12 survived lightning strikes shortly after launch, while Apollo 13 suffered an oxygen-tank ...

This story originally posted Sept. 17, 2016. It is being republished as part of the Chronicle's 125 series. By the time Apollo 13 launched in April 1970, Americans already had walked on the moon twice ...

Many don’t remember the details of the event, but everyone has heard the phrase: “Houston, we have a problem!” It was uttered on April 13, 1970, during the Apollo XIII space mission, following the ...