In recent years, Dubai has been wrestling with the question of what it will do when its oil runs out. These solar palms may ...

Following is a transcript of the video. A city in China wants to launch an artificial moon into orbit by 2020 as a way to reduce energy needs by replacing street light with artificial moonlight.

HUNTSVILLE, Ala. (WAFF) - Officials with Alabama State Parks, the Von Braun Astronomical Society, city leaders, and a NASA representative all came together Thursday to dedicate a Moon Tree at Monte ...