While the crew of Apollo 9 was still orbiting Earth on this day in 1969, preparations were already underway on the ground for the next critical step in the race to the Moon.

Add Yahoo as a preferred source to see more of our stories on Google. Cape Canaveral’s Launch Complex 34 sits as a preserved and haunting reminder of NASA’s first major tragedy — one which lives on in ...

Old Apollo rocks are providing a fresh take on the moon's magnetic field. The lunar magnetic field is currently weak or even ...

Apollo 11 astronaut Michael Collins returned Tuesday to the exact spot where he flew to the moon 50 years ago with Neil Armstrong and Buzz Aldrin. Collins had the spotlight to himself this time — ...