Browse the case files

Browse 261 well-documented UFO/UAP encounters by country, decade, status, kind of encounter, evidence and shape. A group needs at least 2 cases to have its own page; every case is also in the full list.

By country

Where the case happened (the country of record).

• United States 103
• United Kingdom 26
• Brazil 15
• France 13
• Canada 12
• Argentina 7
• Russia 7
• Australia 6
• Chile 5
• Mexico 5
• Spain 4
• South Africa 4
• Italy 3
• Norway 3
• New Zealand 3
• Uruguay 3
• Switzerland 2
• China 2
• India 2
• Japan 2
• Portugal 2
• Sweden 2

By decade

When it happened.

• Before 1900 6
• 1900s 2
• 1910s 5
• 1940s 16
• 1950s 48
• 1960s 31
• 1970s 38
• 1980s 25
• 1990s 21
• 2000s 12
• 2010s 24
• 2020s 33

By status

What the evidence supports: unresolved, disputed, explained or identified.

• Disputed 92
• Unresolved 84
• Explained 58
• Identified 24
• Unassessed 3

By kind of encounter

Military, aviation, radar-visual, close encounters and more.

• Photo and video cases 48
• Military encounters 37
• Close encounters 35
• Aviation encounters 31
• Mass sightings 30
• Tracked object events 22
• Radar-visual cases 20
• Landing and trace cases 17
• Recurring lights 15
• Historical accounts 6

By evidence

Radar, video, photographs, official documents, witnesses and physical traces.

• Official government documents 158
• Many independent witnesses 135
• Military witnesses 74
• Pilot and aircrew witnesses 57
• Photographs 55
• Video footage 53
• Radar tracking 48
• Physical traces 39
• Police witnesses 36
• Infrared or other sensor data 21
• Audio recordings or radio transcripts 15
• Reported electromagnetic effects 13
• Documented physiological effects 11
• Motion-picture film 6

By shape

What the witnesses say it looked like.

• Lights and fireballs 137
• Spheres and orbs 60
• Discs and saucers 47
• Cylinders and cigar shapes 26
• Formations and rows of lights 19
• Triangles and V shapes 19