Mysterious driftwood high in Grand Canyon caves hints at the legacy of Arizona’s huge impact crater.

Filling the Grand Canyon with sea water sounds simple until you run the numbers. The volume alone rivals entire seas, and that’s before considering leakage, evaporation, and geological stress. This ...

Kent Hovind claims the Grand Canyon was formed rapidly by a single global flood. The problem is that this explanation ignores basic geology. Layering, erosion patterns, and timescales do not match his ...

Ephemeral by nature, Sycamore Falls rewards those lucky enough to catch it in motion.

U.S. Senate Democratic Whip Dick Durbin (D-Illinois) and Metropolitan Water Reclamation District of Greater Chicago President ...

Maricopa and Yuma counties recorded the wettest fall seasons in state history, but the remainder of the state remained below ...

Step into Arizona’s ancient past and see the actual footprints left by prehistoric giants in this remote, awe-inspiring ...

Before you start your engines, here are 20 Arizona driving laws you might not know but definitely should learn if you want to ...

Colorado’s snowpack levels remain meager so far this winter season, with little moisture in the near-term local forecast in a year when water managers can scarcely afford a poor spring ...

For a desert state, 11 inches of rain is the definition of extreme weather. Its power is like almost no other natural force ...

Take a nostalgic bite at Arizona’s timeless drive-ins, where the experience feels frozen in the golden days of diners.