#1990 articles

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📖 Encyclopedia History · Oct 29, 2026 · 2 min read

What happened in 1990 on the UAP Timeline: 12 events.

📖 Encyclopedia History · Oct 29, 2026 · 3 min read

Author Nick Cook claims he glimpsed a chart of secret Skunk Works projects.

📖 Encyclopedia History · Oct 29, 2026 · 2 min read

Aviation Week reports 45 sightings of craft in the Southwest that hover, then go supersonic.

📖 Encyclopedia History · Oct 29, 2026 · 2 min read

A Penn State alumnus says former university president Eric Walker attended secret UAP meetings.

📖 Encyclopedia History · Oct 29, 2026 · 2 min read

An SAIC study tests whether electromagnetism and gravity can be coupled for space propulsion.

📖 Encyclopedia History · Oct 29, 2026 · 3 min read

Steven Greer alleges he met wealthy and connected figures at a private San Francisco gathering about UAP.

📖 Encyclopedia History · Oct 29, 2026 · 2 min read

A NATO aerospace study discusses a gyroscopic device said to counteract gravity.

📖 Encyclopedia History · Oct 29, 2026 · 1 min read

A journalist claims the Naval Research Laboratory had a parapsychology unit.

📖 Encyclopedia History · Oct 29, 2026 · 2 min read

A physicist claims he worked on Project Blue Heaven at Edwards AFB.

📖 Encyclopedia History · Oct 29, 2026 · 2 min read

A Lockheed engineer tells Vallée he helped build the TRESTLE facility.

📖 Encyclopedia History · Oct 29, 2026 · 3 min read

Writer James Goodall says at least eight secret programs fly from Groom Lake.

📖 Encyclopedia History · Oct 29, 2026 · 2 min read

An interview attributed to scientist Eric Walker discusses secret UAP knowledge.

📖 Encyclopedia History · Oct 29, 2026 · 3 min read

Sgt. Dan Sherman says some secret programs are hidden above the usual special access level.