Canaries are the most familiar of “sentinel species” – animals (and plants) that can alert us to threats to human health and ...

Shutterstock Libby, Montana Gold miners found vermiculite in Libby, Montana in 1881. Edgar Alley saw this mineral expand when ...

Phelps Dodge has increased dust-control efforts after winds kicked up at least three dust-filled clouds from one of the mining company's tailings piles and deposited it on nearby Green Valley ...

The Saharan dust has arrived to the Sunshine State, so experts caution some residents to limit their time outdoors. Cameras show haze hovering over downtown Miami, Friday afternoon.

In the 1800s, gold, silver and copper booms lured miners and immigrants looking for a better life. Though the mines eventually closed, visitors are fortunate to visit these fascinating destinations ...

The combination of wildfire smoke and Saharan dust is leading to hazy skies and poor air quality across much of the country this week.

The massive cloud of dust is about the size of the continental United States.

The massive cloud of dust is about the size of the continental United States and came from the Sahara Desert in North Africa, The New York Times reported. It was about 2,000 miles wide and 750 ...

A plume of dust from the Saharan Desert appears set to sweep across the Gulf Coast this week.

Saharan dust is something South Florida deals with every year as the influx of dust makes its way from Africa to, at least, close to the region.