'Nexus for catastrophic disaster:' Rising wildfire threat in the Southwest

Wildfires force evacuations in Spain as heatwave engulfs southwest Europe

Wildfires rage as temperatures soar in the Southwest

Wildfires ravage a drought-stricken Southwest

Brutal heat to increase wildfire risk across the Southwest

Destructive wildfires burn amid windy, dry conditions in the Southwest

Wildfire threat to increase across Southwest

Wildfires continue to spread through the Southwest amid dry, windy conditions

Tropical rains only provide brief break from wildfire risk in the Southwest

What wildfire smoke toxins could you be inhaling?

Wildfire smoke sends air quality to dangerous levels across the Midwest

Choosing the best wildfire smoke masks

Wildfire smoke causes poor air quality throughout the Pacific Northwest

Countryside fills with toxic smoke from wildfire

Plane disappears into cloud of wildfire smoke

Seattle enshrouded in wildfire smoke

Man saved from a cloud of smoke amid wildfires in Turkey

Stunning NASA animation shows how far smoke from the Australia wildfires traveled around the globe

New York DEC tackling the "unprecedented" amount of pollution due to wildfire smoke

Record-breaking Canadian wildfires keep sending smoke deep into the US

Southwest Airlines May Ditch 'Open Seating' To Make More Money From 'Premium Seating' Options

Southwest Drops Service to 4 Airports Amid Boeing Problems

Southwest Pilot Declares Emergency as Engine Cover Rips Off Mid-Flight

Southwest Flight From Denver Loses Engine Cover

Boeing Engine Cover Falls Off Southwest Flight

Storms to cause weekend travel problems from the Southwest to the Northern Plains

Chasing hail during severe weather in Kansas

Up close with a tornado in Nebraska

Here's your travel outlook for April 26

Severe storms erupt across central US

Stormy weather likely to cause serious travel delays this Friday

Two broods of cicadas begin to emerge up and down the East Coast