Smoke from wildfires in Canada has spread more than 5,000 miles, reaching parts of Russia and Europe during the past week.

Online map tools and resources let you track the Canadian wildfires and monitor poor air-quality conditions, which are ...

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

Lightning, which is more common in hotter temperatures, is usually the cause of wildfires that burn the most land. In 2023, ...

Environment Canada has issued nearly 250 active warnings and advisories in Alberta, Saskatchewan, Manitoba and Ontario as wildfires send smoke across Western Canada ...

An earthquake of 5.9 magnitude struck the Tibet region on Monday morning. The tremor occurred at a depth of 10 km, with no ...

Summer heat and hazy skies? See where Canadian wildfires burn, their impact on New Jersey and when the high heat will arrive this week.

Lake Ontario, one of the region's five Great Lakes, is the only one that doesn't border Michigan. Here's what to know.

The U.S. logged 122 more cases of measles last week — but only four of them in Texas — while the outbreaks in Pennsylvania and Michigan officially ended. There were 1,168 confirmed measles cases ...