The elevated levels of fine particulate matter resulting from wildfire smoke could present significant health risks.

An 8.8-magnitude earthquake struck off Russia’s eastern coast on late Wednesday morning, local time. The quake triggered ...

State officials from Maine to New York issued alerts for fine particulate matter, a toxic byproduct of wildfires that is ...

Multiple states bordering Canada could feel the greatest impact of a 35 percent tariff on Canadian products starting August 1 ...

Officials warned young children and those with respiratory illnesses to take precautions. For weeks, smoke from Canadian ...

The Canadian government’s map of wildfire smoke fine particulate matter models wildfire smoke for July 30-Aug. 2 shows smoke ...

Discussions with the U.S. are underway, but they're happening against a backdrop of strained U.S.-Canada relations over ...

Millions of Americans are under weather advisories this week. See which major cities have heat, flood or storm advisories.

Canada and the EU belong together. We share something rare: a worldview built on co-operation, not coercion. Things like multilateralism and a rules-based system; the protection of human rights and ...

Multiple U.S. states and Canadian provinces are experiencing poor air quality from wildfire smoke. Here's where.

The ISS will travel over part of the U.S. and Canada on Thursday night, giving millions a chance to view it as it flies by.

The UK, France and Canada have drawn a line in the sand and are saying in concert that they will recognise Palestinian statehood in September.