The "Blue Marble" image of Earth snapped by the crew of Apollo 17 in 1972 is one of the most famous photos ever taken. When it appeared, we all suddenly saw the world in a much different way.

Clouds swirl over the vast African continent and south polar ice cap, all set against the deep blue of our world’s oceans. The iconic photo, known as “Blue Marble,” was taken by NASA ...

This gorgeous image is the most up-to-date "blue marble" photo of our home planet, the latest in a long line of color images of Earth that date back to the Apollo space missions. The original ...

This article was originally published at The Conversation. The publication contributed the article to Space.com's Expert Voices: Op-Ed & Insights. Chari Larsson, Senior Lecturer of art history ...

How did the “Blue Marble,” as it is now known, come to be? Host Vincent Brown learns just how extraordinary a technical feat it was for Apollo 17 astronauts to snap the photograph in 1972 ...