A Mexican drug lord was released from custody after being convicted in the 1985 killing of Drug Enforcement Administration agent Enrique ‘Kiki’ Camarena. Ernesto "Don Neto" Fonseca Carrillo ...

A convicted killer who’s been on the run since early December was recently spotted south of the border in Tijuana, where he was allegedly involved in a shootout that left a top Mexican cop dead.

In the world of bats, we thought we’d seen it all. But nature always has a way of surprising us, doesn’t it? Just when scientists thought they knew these nocturnal creatures inside and out, along ...

An endangered bat species has been detected in southeastern Arizona. Researchers say the discovery of the Mexican long-nosed bat in the Grand Canyon State expands the known range of these animals.