March was once the first month of the year for ancient people who lived in Earth’s Northern Hemisphere. Our forebears widely regarded this month as a time for new beginnings after the dark ...

The moon's ascending node (the point in the sky where its orbit crosses the ecliptic from south to north) is moving westward ...

More than 3 billion years ago, when the Moon’s volcanic mare (the dark lunar “seas”) were formed, the Moon was rife with ...