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

Auroras may be visible from Alaska to Pennsylvania as Earth reverberates from the impact of a speedy solar storm.

There are over 170 active wildfires in Canada. These fires have started affecting air quality in several US states, including Wisconsin and Michigan.

Space weather forecasters say northern lights may be visible in parts of the northern United States following weekend solar ...