Cities have grown much larger, taller and more robust, evolving into thriving cultural centers welcoming millions of visitors each year. We’ve pulled together "then and now" photos of some of ...

Between 2002 and 2003, astronaut Don Pettit developed a system for taking clear images of cities at night from about 400 kilometers above Earth's surface while aboard International Space Station ...

A series that started with eight cities now has 68, and Ruel’s goal is 100. But he leaves open the possibility that just like the images, the series may, in a way, be infinite. From every angle ...

Use extra caution. Secure outdoor objects. && An astronaut has captured jaw-dropping pictures of cities from space. American spaceman Don Pettit picks out the bright lights of urban areas from 257 ...