In April 1903, part of Turtle Mountain collapsed, sending an estimated 110 million tons of rock crashing down on the town of ...

Water parks charge $60 a ticket for slides that took an engineer a few months to design. Nature’s been building better ones ...

Garfield County deputies are responding to flash flooding on several roads.

Rock slides briefly closed Mount Lemmon highway Saturday afternoon. Transportation crews cleared the road and it was reopened about 4 p.m. Rain caused the two slides on the Catalina Highway at ...

Rainfall over the Pocket Fire burn scar sent debris downstream and contaminated parts of Oak Creek in northern Arizona.

We observe the visual evolution of rough stones by processing them in a rock tumbler for an entire week to reveal their polished surfaces.

The Psyche spacecraft flew by Mars earlier this year on its way to a metal-rich asteroid, capturing the images along the way ...

There are moments in life that split your personal history into “before” and “after,” and riding the tallest waterslide in ...