Fire alarms have been sounding in high-rise buildings across downtown Sydney and Melbourne as dense smoke from distant wildfires confuse electronic sensors. Modern government office blocks in the Australian capital Canberra have been closed because the air inside is too dangerous for civil servants to breathe.

Smoke haze and poor air quality caused by wildfires temporarily suspended practice sessions for the Australian Open at Melbourne Park on Tuesday, but qualifying began later in the morning in “very poor” air quality.

The wildfire was behaving erratically last week, and Doug Schutz and his team needed to make a quick decision. So they moved a bulldozer from another job and used it to widen a firebreak. That likely helped prevent hundreds of homes from going up in flames.

U.S. officials said Tuesday they’re planning to send at least another 100 firefighters to Australia to join 159 already in the country battling wildfires that have killed 25 people and destroyed 2,000 homes.

With flames climbing as high as a 15-story building and menacing his supposedly fireproof home on three sides, Justin Kam ran to the laundry room and opened the door. Inside was fire.

A weeklong state of emergency has been called in the Australian state of New South Wales as deadly wildfires continue to ravage communities, forcing thousands from their homes, NBC News reports.

The Lupo family’s house burned down during the Woolsey fire in Malibu, Calif. This is the story of what they lost and how they’re moving forward.

Smoke and ash from the wildfires in Northern California are prompting severe air quality concerns around the Bay Area. Experts estimate the amount of pollution produced by the wildfires is equivalent to what’s emitted by all of California’s 35 million cars in a year.

Smoke from a wildfire near Anaheim, California, caused the skies over Disneyland to turn orange, creating some stunning and eerie scenes.

With 15 different wildfires currently raging across California, charring more than 100,000 acres, we take a look at some of the state’s biggest wildfires since the 1900’s.

For the third time in seven years, General Motors is recalling cars that can leak oil and catch fire, in some instances damaging garages and homes. The recall, which covers 1.4 million vehicles dating to the 1997 model year, is necessary because repairs from the first two recalls didn’t work. More than 1,300 cars caught fire after they were fixed...

A Carnegie Mellon University student is accused of setting several fires in Pittsburgh last week.

Officials are trying to determine what caused two separate fires that ignited four homes in Paterson.