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

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

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

After an era pushing the world toward open trade, the U.S. under President Trump has just pivoted toward higher tariffs and ...

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 International Space Station will fly over the eastern United States and parts of Canada just after sunset on Thursday ...

The feature, called Women Preferences, will launch in a pilot stage in Los Angeles, San Francisco and Detroit in the next few ...

Our northern neighbors sing about the "True North, strong and free" on Canada Day. Here's why—and when Canada became a ...

We are less than one year away from the FIFA World Cup, often considered the biggest sporting event in the world.

Whoever does not control their energy has no homeland. They have territory.” The energy world and the new colonialism Energy is not just electricity, nor ...

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

Trump attacked Australian import restrictions on U.S. beef when he announced in April that tariffs of at least 10% would be ...