A new exhibit at the Everhart Museum is preparing to launch.

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 ...

The Soviet Union led the early space race — first satellite, first man in orbit — while the U.S. struggled through missteps ...

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 ...