The extraordinary formations, each comparable in size to Earth’s Grand Canyon, are hidden on the far side of the moon — the side that always faces away from Earth — near the lunar south pole ...

The full moon takes place Monday, May 12. April brought us the Pink Moon, which got its name because it coincides with the blooming of moss pink wildflowers. This month, we'll see the full Flower ...

Scientists proposed an explanation for the formation of Vallis Schrödinger and Vallis Planck near the lunar south pole, which are each about the size of Earth’s Grand Canyon. By Kenneth Chang ...