the black bear migration in southern Arizona's Sky Island mountain ranges is further threatened by the border fence, a study in Biological Conservation concluded. “In the U.S.–Mexico ...

Usually a frontier is a river — the Mekong, the Rio Grande, the Zambezi; or a mountain ... and routines of Mexico. I was to discover that the neighborhoods just across the fence are not ...

A mother attempting to climb over a fence on the US-Mexico border fell and was impaled on a steel bar in front of her children, officials said. The 26-year-old woman from Guatemala pierced her ...

He drove west on the borderline, hugging the 30-foot fence where it begins at the base of the mountain. A black hen strutted in Mexico south of the steel bollards, in a neighborhood of Ciudad ...

They met at the U.S.-Mexico border — to the west of El Paso and its sister city, Ciudad Juarez — where a chain-link fence more than 15 feet high divides two worlds. Immigrant rights activists ...

New Mexico Sen. Jeff Bingaman asked Customs and Border Protection officials to build a new fence on U.S. soil before the old one is torn down. Bingaman said he was concerned about security issues ...

Two photos of a mountain lion walking on top of the border fence near Naco were posted on social media Friday by the Arizona Game and Fish Department in Tucson. They quickly "went viral," notes ...

Mexico’s foreign secretary said Monday the country may take a dispute over U.S. plans to build a fence on the Mexican border to the United Nations. Luis Ernesto Derbez told reporters in Paris ...

Herrera pulled the Suburban to a stop west of the Santa Teresa port of entry, in a stretch of desert far from the urban footprint of Sunland Park. Soldiers had posted red-and-white warning signs ...