Moon Bumps and a Two-Faced Mystery

Moon Bumps: Earth's Gravity Creates Lunar Bulges

Earth's gravitational pull is so powerful that it creates a small bulge on the surface of the moon.

Maria Mystery: Why Moon's Far Side Has No 'Face'

Heat radiating from the young Earth could help solve the more than 50-year-old mystery of why the far side of the moon, which faces away from Earth, lacks the dark, vast expanses of volcanic rock that define the face of the Man in the Moon as seen from Earth, researchers say.

Puzzle Solved: Why the Moon Has Two Faces

Scientists finally have an answer for why the front and back sides of our shiny lunar sidekick look so different.