Before we delve into each phase individually, let's take a moment to orient ourselves in the moon phases diagram below ... marks a quarter of the lunar cycle and lasts only a moment.

The Google Rise of the Half-moon Doodle highlights the different phases of the lunar cycle, as a half moon, in the form of the third quarter moon. The card game challenges players to match ...

NASA launched a lunar orbiter Wednesday night that will trace the Moon's elusive water cycle. Lunar Trailblazer, a collaboration between NASA, Northern Arizona University, and Lockheed Martin ...