Gazing up at the night sky is a reward unto itself: the splendor of the Universe awaits! But when you use a telescope and a camera, you can capture that beauty in ways that even our sophisticated eyes cannot detect.
The Apollo program reached the moon 40 years ago today. Here's a look at some of the many technical breakthroughs of that mission.
Forty years after the first moon landing, the 24 men who've been there open up about the details of their photos and experiences.