Air quality alerts were issued across the Northeast and Midwest US on August 5 due to elevated PM2.5 levels from Canadian ...

Photos capture eerie skies and smoke-filled air from Canadian wildfires across Greater Boston. Share yours with us.

COVID-19 is resurfacing across the US as summer ends, with rising cases but less dramatic increases than before. Experts find ...

A new study by Michigan State University found that butterflies have been decreasing rapidly in the Midwest, after ...

Out of the 136 species of butterflies’ populations studied, not a single one increased over the past 3 decades.

Smoke from Canadian wildfires is causing air quality concerns for millions of Americans in the Midwest and Northeast.

Forecasters say weak winds have left Canadian wildfire smoke to linger over the U.S. Stronger winds are expected to bring relief later in the week.

Since 1992, fewer numbers of common and rare pollinators have been observed in the central United States. Pesticides and ...

While analyzing the mountains of data harvested from three decades of butterfly counting in the Midwest, a Michigan State ...

Smoke from Canadian wildfires hovered over several Midwestern states Saturday, bringing warnings of unhealthy air for at ...

A detailed view of the sun covered by smoke from the Canadian wildfires as air quality alerts were issued across Minnesota ...

Smoke from Canadian wildfires has sent a blanket of smoke over the midwestern United States this weekend. The National ...