What makes the smoke from these fires dangerous are particles too small for the naked eye to see that can be breathed in and cause respiratory problems.
Millions of people have been exposed to hazardous pollution levels, causing emergency room visits to spike.
Video and photos show Alan James Swinney, 50, pointing his gun at protesters in Portland, Oregon, last month.
During the first presidential debate, President Donald Trump falsely claimed that the sheriff in Oregon endorsed him.
Mike Reese fires off two post-debate tweets to set the record straight.
Everyone's favorite green alien — in doll form — has become an unofficial mascot for firefighters across the U.S.
Police are preparing for possible clashes as thousands are expected to attend the Proud Boys-sponsored event.
The primary effects of William Barr's eyebrow-raising designation of Seattle, Portland, and New York City as "anarchist jurisdictions" will, for now, be political.
As the East Coast gets drenched and the drier West Coast is ablaze, climate change may not be the only factor.
The pages were removed only after an inquiry from HuffPost, as concerns grow over Facebook's ties to escalating political violence in the U.S.