Texas state park officials are scratching their heads, trying to identify a “mystery animal” that was caught lurking around the Rio Grande Valley area at night.

The Rio Grande is one of the longest rivers in North America, running some 1,900 miles from the Colorado Rockies southeast to the Gulf of Mexico. It provides fresh water for seven U.S. and Mexican ...

This map shows the location of Fronton Island in the Rio Grande. (Google Maps/Texas General Land Office) The Fronton area had recently been the site where armed suspected cartel members were seen ...

Today nearly 70 miles of the upper Rio Grande are protected. To experience this stark and stunning landscape is to be reminded of the good that can come of visionary public action to preserve our ...

The Rio Grande is one of the largest rivers in the southwest U.S. and northern Mexico. Because of drought and overuse, sections of the river frequently run dry.