The largest accessible cave in the world is hidden below the Guadalupe Mountains in New Mexico, near the Texas border, where ...

AUSTIN, Texas (AP) — A review by Texas lawmakers into the catastrophic July 4 floods has no intention of second-guessing ...

Surveyors combed canyons and the upper reaches of Tucson's Saguaro National Park to find rare plants, some thought to be extinct locally, and new plant species.

Complete Guide to Fort Union National Monument in New Mexico, including things to do, history, nearby lodging and campin ...

Republicans are encountering some early headaches in. Senate races viewed as pivotal to maintaining the party’s majority next ...

County officials did not issue a locally targeted emergency alert to warn people in town of the rapidly rising waters until ...

The wildlife service decides the Sonoran desert tortoise isn't a threatened or endangered species, but finds a wide range of threats to the animals and their habitat.