An orange or red moon outside of a lunar eclipse is often caused by pollution, such as smoke or dust. The moon will appear red during the eclipse, as sunlight is filtered through Earth's atmosphere.

The haze and smoke in the atmosphere Friday made for a very vibrant sunset and will likely lead to a vibrant sunrise Saturday ...

The Saharan Air Layer can tame hurricanes, help grow fish food in the ocean, beautify sunsets, trigger asthma attacks, and ...

How acute those become could be determined by the smoke’s elevation in the atmosphere. At lower levels it can not only cause ...

Illinois and Wisconsin will begin to see -- and smell -- the wildfire smoke coming from the north as early as Friday ...

States across the border issued air advisories about particulate pollution that are expected to last for several days.

It is typical for dust to move across the Atlantic every year in early summer, WKMG reports. The National Oceanic and Atmospheric Administration says it is called the Saharan Air Layer, which is "a ...

Multiple fires remain uncontained in Saskatchewan and Manitoba, provinces just north of Minnesota and North Dakota. Thousands ...

Wildfire smoke from Canada continues to settle into the St. Louis region, as vibrant sunsets and hazy skies are expected for the next few days.

ST. LOUIS — Well, good grief. After a night of tornadoes, St. Louis woke up to a blanket of wildfire smoke and dust. It's not our wildfire smoke and it's not our dust. Strong winds swept through ...