Researchers have discovered an extensive and remarkably well-preserved system of ancient irrigation canals in the Eridu ...

The background of the new map is white, which is another way to create more contrast. The previous version has a beige ...

A map from the USGS showed that some rivers were 23,000 percent of their normal median level or higher as of Friday morning.

A combination of water management practices has contributed to notable groundwater gains in Central Arizona despite the ...