Short answer
Foo fighters were glowing balls and lights that Allied aircrews reported pacing their planes in WWII. Neither side claimed them - a wartime mystery named with a shrug and a joke. Later retellings keep adding witnesses, theories, or pop-culture twists - which is why Foo Fighters still pull curious readers back in.
What happened
Foo fighters were glowing balls and lights that Allied aircrews reported pacing their planes in WWII. Neither side claimed them - a wartime mystery named with a shrug and a joke. Afterward, witnesses, officials, and storytellers fought over which details could be checked - and which ones only lived in memory.
Evidence and mainstream view
Mainstream writing does not treat Foo Fighters as confirmed proof of extraterrestrial or supernatural causation; explanations depend on the case file and often remain contested or prosaic.
Timeline
The case unfolds across reports, investigations, and later retellings - see dated milestones in the timeline.
Explanations
Some readings stay close to known craft, weather, psychology, or paperwork. Others keep extraordinary options open. Period documents beat entertainment remakes.
Case accounts
Distinct published tellings of Foo Fighters, summarized with sources so you can follow the trail yourself.
FAQ
Quick answers to the questions people ask first about Foo Fighters.
Sources
Primary and secondary links for the paper trail.