Google's latest Doodle celebrates the third quarter moon phase with a fun interactive card game. The Google Rise of the Half-moon Doodle highlights the different phases of the lunar cycle ...

Google's latest Doodle celebrates the third quarter moon phase with a fun interactive card game. The Google Rise of the Half-moon Doodle highlights the different phases of the lunar cycle ...

third quarter, and waning crescent. Essentially, the moon is not visible in its new moon phase and gains more visibility ...

Lunar enthusiasts can catch a glimpse of the "Lunar X" tonight, a striking criss-cross shape on the moon that can only be seen in the hours around its first quarter phase. The unique, 50-mile-wide ...