The dark plains of the Moon, known as maria, were once thought of as a geological retirement home. These vast stretches of frozen lava have sat mostly silent for billions of years. But a new study ...

More than four billion years ago, something enormous slammed into the moon hard enough ...

Moon, as seen from the UK. Image by Tim Sandle Moon, as seen from the UK. Image by Tim Sandle Moonquakes are more common than previously thought, a consequence of a shrinking and, at the same time, ...

A small mare ridge in Northeast Mare Imbrium taken by the Lunar Reconnaissance Orbiter Camera. Image Credit: NASA/GSFC/Arizona State University Scientists have produced the first global map and ...