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

No one was more surprised than William D. Crutchfield Jr. that he harvested not only Maryland’s non-typical whitetail deer ...

New York City also felt the heat, tying its longstanding daily record of 96 degrees for the date, set in 1888 in Central Park ...

Maps show where extreme humidity and 90- or 100-degree temperatures will affect around 255 million people across the United ...

A brutal heat wave across the eastern United States trapped millions of people in sweltering air this week with record-high ...

Paramedics in Washington, D.C., burned through their supply of ice packs on Tuesday, and residents cranked up the ...

However, much of the central eastern and eastern seaboard of the United States, extending all the way to Florida, is also under yellow “moderate” air quality conditions due to the smoke from ...

A series of wildfires burning across central Canada sent smoke billowing into the U.S. over the weekend, with few signs that the blazes will subside anytime soon.

A series of wildfires burning across central Canada have sent smoke billowing into the U.S. over the past several days, with few signs that the blazes will subside anytime soon.

Scattered “popcorn storms” may soak isolated parts of Houston this weekend. Here’s how hot summer days can trigger these ...

A dangerous heat wave will remain at its peak on Tuesday in the East. Here are the forecast details including how hot and ...