A drug-trafficking tunnel nearly half a mile long underneath the California-Mexico border was discovered by federal agents, the U.S. Attorney’s Office said Wednesday. Two tons of cocaine and ...

An unfinished tunnel for "large-scale narcotics smuggling" from Tijuana to San Diego under the U.S.-Mexico border has been uncovered, federal officials reported. The "highly sophisticated" tunnel ...

The tunnel was just over half a mile long and extended more than 1,000 feet into U.S. territory, border officials said.

Authorities uncovered a tunnel outfitted with solar panels, lighting, ventilation and a rail system that could carry illegal immigrants, arms dealers and drug smugglers from Mexico into the United ...

Members of Mexico’s national guard patrol the international sewage and drainage system that connects Nogales, Mexico, with Nogales, Ariz. The guardsmen regularly find tunnels that were dug by ...

US federal agents have uncovered a sophisticated "narco tunnel" equipped with electricity and a working ventilation system that smugglers had been using between El Paso, Texas, and Juarez, Mexico.

Mexico's Attorney General's Office via AP Authorities inspect the exit of the tunnel they claim was used by drug lord Joaquin "El Chapo" Guzman to break out of the Altiplano maximum security ...

A Secret Tunnel Found in Mexico May Finally Solve the Mysteries of Teotihuacán. The chance discovery beneath a nearly 2,000-year-old pyramid leads to the heart of a lost civilization ...

A secret tunnel discovered last week on the U.S.-Mexico border will be sealed by Mexican authorities, an army official in Ciudad Juarez said Saturday. The tunnel, discovered on Jan. 10, connects ...