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

In the upper Midwest of the United States, Michigan, Wisconsin and Minnesota have issued air quality warnings as smoke from ...

The Toronto Blue Jays find themselves in an interesting position ahead of this season's trade deadline and could have a fire ...

From the commentary, "HIV is preventable and treatable. We have the science, tools, and information. We have been at this ...