There's plenty more planet mayhem to come throughout the week. Today, the Moon enters its first quarter, which many will know to be a half Moon. Over the next few nights, the Moon will drift away from ...

"The Half Moon is the turning point in the lunar cycle, shifting the balance between light and dark like moves in a celestial game," the game's introductory game reads. The moon undergoes eight ...

A total lunar eclipse occurs when the Earth is positioned directly between the moon and sun, blocking the sun's rays from the moon.