What did Neil Armstrong really say when he took his first step on the moon? Millions on Earth who listened to him on TV or radio heard this : "That's one small step for man, one giant leap for mankind ...

When Neil Armstrong first set foot on the moon in 1969, everyone knows his famous line, but there's been some debate about what he actually said. Most people hear it as, "That's one small step for man ...

"That's one small step for man, one giant leap for mankind." But after returning from space, Armstrong said that wasn't what he had planned to say. He said there was a lost word in his famous ...

We’ll ask that question a different way: Have you ever heard of Eugene Cernan and Harrison Schmitt? Those are the astronauts that took the moonwalk 52 years ago to little fanfare on Apollo 17. It was ...

Time ticks differently on the Moon. 56 years after the Apollo 11 landing, CNN’s Boris Sanchez explores how NASA and its partners are developing a new way to measure time in space. Donald Trump issues ...