City File · Los Alamos 11 cases on file · 1947–1950
City File

Paranormal events in Los Alamos

The Spooky Valley archive holds 11 documented paranormal cases in Los Alamos. The earliest dates to 1947 and the most recent to 1950, a span of 3 years.

Reporting in Los Alamos is led by the UFO sighting, with 10 UFO sightings and 1 unexplained event on file. Of these, 1 is verified against primary-source documentation. Every entry below records what was reported and the sources behind it, rather than asserting a conclusion.

Featured from Los Alamos

Source document: 65_HS1-834228961_62-HQ-83894_Section_6
UFO 1950

Los Alamos, New Mexico UFO Sighting (November 19, 1950) — FBI Files

Los Alamos, New Mexico

On November 19, 1950, observers in Los Alamos, New Mexico, reported a vertical, green and yellow object in the sky, according to released FBI files.

Source document: 65_HS1-834228961_62-HQ-83894_Section_4
UFO 1949

Los Alamos, New Mexico UFO Sighting (January 6, 1949) — FBI Files

Los Alamos, New Mexico

A first saucer wave case from Los Alamos, New Mexico. Multiple sightings of unexplained phenomena occurred near the Los Alamos facility during December 1948 and January 1949.

Artistic depiction of Los Alamos Green Fireball Conference — vintage riveted acorn-shaped craft
UFO 1949

The Los Alamos Green Fireball Conference

Los Alamos, New Mexico, USA

A classified conference convened at Los Alamos attended by Dr. Edward Teller, Dr. Joseph Kaplan, Dr. Lincoln LaPaz, and military brass. Remarkably, there was no debate about whether green fireballs existed - nearly everyone present had witnessed at least one. The only question was what they were.

Source document: 65_HS1-834228961_62-HQ-83894_Section_6
UFO 1950

Los Alamos, New Mexico UFO Sighting (November 16, 1950) — FBI Files

Los Alamos, New Mexico

On November 16, 1950, observers in Los Alamos, New Mexico, reported seeing bluish-green objects moving north to south before disappearing from view.

Source document: 65_HS1-834228961_62-HQ-83894_Section_6
UFO 1949

Los Alamos, New Mexico UFO Sighting (17 February 1949) — FBI Files

Los Alamos, New Mexico

A first saucer wave case from Los Alamos, New Mexico. A conference was held in Los Alamos to discuss the green fireball phenomena.

Source document: 65_HS1-834228961_62-HQ-83894_Section_6
UFO 1949

Los Alamos, New Mexico UFO Sighting (14 October 1949) — FBI Files

Los Alamos, New Mexico

A first saucer wave case from Los Alamos, New Mexico. Another conference was held in Los Alamos to continue discussing the green fireball phenomena.