Rivers usually flow from higher level to lower level. But due to natural factors like strong tides, floods or storms, it is ...

The U.S. Army Corps of Engineers said Friday that it will build an underwater sill to keep salt water from moving up the Mississippi River, the fourth-straight year in which the structure has been ...

Rivers, typically flowing downhill, can surprisingly reverse course due to tides, floods, engineering, or ancient geological shifts. From Cambodia's Tonlé Sap's annual monsoon reversal to Chicago's ...

The infrastructure along the Mississippi River has long protected the New Orleans area from catastrophic flooding. But a list of concerns are converging, particularly involving the Mississippi Gulf ...