Three Mile Island’s Unit 1 nuclear reactor operated safely and reliably for decades before the plant was retired in 2019.

Smoke from Canadian wildfires began to worsen air quality in the eastern U.S. on Wednesday as several Midwestern states ...

The ongoing Canadian wildfires have reportedly blanketed a third of the United States, affecting millions, with the National ...

Although the majority of wildfires are occurring in western Canada, smoke from these fires has been drifting eastward, ...

Smoke from more than 100 wildfires blazing in Canada is expected to spread to impact air quality in more U.S. state.

In the U.S., smoke from Canadian wildfires was detected drifting through Montana, North Dakota and northern Minnesota.

Wildfires in Canada have triggered widespread evacuations and hazardous air quality alerts across the northern United States.

Canadian Wildfires continued to burn, and smoke from the Canada fires could be affecting U.S. air quality in several states. Is Indiana impacted? What we know ...

Here is what to know as of Monday, June 2. Parts of Montana, North Dakota, South Dakota, Minnesota, Iowa and Illinois had swaths of air quality warnings ranging from "moderate" and "unhealthy for ...

In addition to the eastern US, the smoke from the fires has caused air quality to drop to unhealthy levels in parts of the ...

In addition to the Midwest and eastern US, the smoke from the fires has caused air quality to drop to unhealthy levels in ...