PRESIDIO, Texas– Most of the water that courses through the Rio Grande to reach parched farmlands along the border gets its start here, where the Rio Grande is replenished through Mexico's Rio Conchos ...

A simmering feud over management of one of North America’s longest rivers reached a boiling point when the U.S. Supreme Court sent western states and the federal government back to the negotiating ...

The Rio Grande Valley has a long history with its neighbors just across the Rio Grande in Mexico — one that stretches back centuries, long before the border boundary between the two nations was ...