Maps show where new plumes of smoke will cause hazy skies through the end of the week. Low-level smoke is forecast to spread ...

Measles cases have skyrocketed in the US recently, with the number of cases in 2021 already surpassing the total for 2020 - ...

An air quality map shows conditions improving in the U.S. on Friday as smoke from the Canadian wildfires subsides.

Smoke from wildfires in Canada has spread more than 5,000 miles, reaching parts of Russia and Europe during the past week.

The ongoing alerts warn of health risks posed by smoke and air pollutants carried over vast areas, especially for sensitive groups.

Smoke from Canadian wildfires has carried another day of poor air quality south of the border to the American Midwest.

A powerful geomagnetic storm is still be impacting Earth today. Does that mean you’ll see the northern lights tonight?

A powerful geomagnetic storm is still be impacting Earth today. Does that mean you’ll see the northern lights tonight?

Several states currently offer property tax exemptions to older homeowners, and seven more are now trying to introduce ...

The forecast for Sunday night gives Alaska and Canada the highest likelihood of seeing the northern lights. Those living ...