A half-moon shaped hideout on a cliff in Costa Rica has hit the market for $4.4 million.

Brush the edges of the circles with beaten egg and fold over to make half-moon shapes. Press down to seal with your fingertips. Using a fork, press the edges again to secure the filling.

Each month, as day and night sweep across the lunar nearside, the sunlit part of our view takes on a series of familiar shapes: crescent, half-moon, full, and more. Moon phases are really just the ...

The moon will appear half full when it rises Friday night, earning it's "half moon" nickname, even though it's officially known as a quarter moon. Advertisement This waning phase ends with a new moon.