During Apollo 10’s orbit behind the Moon in 1969, astronauts reported hearing a strange whistling sound through their headsets while completely out of contact with Earth. Decades later, NASA suggested ...

Space has long been a matter of great curiosity and perplexity for humans. Astronauts are trained to observe with eagle-eyed precision, yet their accounts of experiences in space are often packed with ...

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.

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