ARLINGTON, Va. — The Center for Maritime Strategy (CMS) held the Washington-area launch of its first major publication, ...

If this earth had no moon, the attraction of the sun would produce two tides every day, but their ebb and flow would take place at the same hours regularly, not varying as they do now ; these ...

Venice residents watch the Adriatic sea's rise and fall with anxious eyes, keenly aware of how weather can affect its twice-daily ebb and flow. But what is the primary cause of the tides there and ...