On this day in 1969, NASA formally announced the prime crew selected to carry out the Apollo 11 mission, a decision that would soon mark one of the most defining moments in human history.

As NASA prepares to bring Crew-11 home early, here's a look at other medical issues or space emergencies that NASA has ...

SALT LAKE CITY — Fifty-five years ago today, the world was looking up as astronauts from Apollo 11 blasted off from the moon to return after a successful mission. However, what you might not know is ...

Find the locations of the five landing zones considered as the setting for humanity's first steps on another world. When you purchase through links on our site, we may earn an affiliate commission.