Archive overview
Patterns in 478 public records.
This is a descriptive view of the catalog, not a measure of which reports are true. Counts reflect what agencies released, how they described it, and which records survived review.
Time
Records by incident decade
1940s13
1950s44
1960s35
1970s15
1980s2
1990s7
2000s19
2010s60
2020s245
Custody
By agency
Department of War282
FBI104
NASA40
CIA23
Department of State9
Local Law Enforcement8
Department of Energy5
Executive Office of the President2
U.S. Government2
Federal Bureau of Investigation1
Media
By format
PDF298
VIDEO134
IMAGE30
AUDIO16
Publication
By release
Release 1158
2026-05-08
Release 264
2026-05-22
Release 372
2026-06-12
Release 440
2026-07-10
Release 541
2026-08-07
Release 675
2026-09-18
Release 728
2026-10-23
Language
Recurring subjects
Radar / sensor144
Spaceflight32
Pilot / aircrew27
Orb / sphere23
Triangle14
Nuclear sites11
Read with care
Catalog frequency is not event frequency.
A large cluster can mean more observations, a longer investigation, a bulk archival transfer, or simply more surviving paperwork. Use these charts to find questions—not to manufacture certainty.
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