Archive / collections
Ways into the archive. Some are hand-picked reading paths; the rest are live searches that grow as stories are added.
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Twelve cases that explain why people still argue about this. The best known, the best documented, in the order we would read them.

Reputability of 75 or more: many witnesses, sensors, official records, primary documents.

Sightings where a radar operator saw something too.
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Encounters reported by the people flying the aircraft.

Bases, missile fields, warships and the personnel on duty.

Landing marks, burns, radiation readings, damaged plants, injured witnesses.

Cases with released government documents behind them.

Cases with at least one official document or academic paper among their sources.

The dark, silent triangle with lights at the corners, from Hudson Valley to Belgium.

Seen in full daylight, where stars and planets are not an answer.

Witnesses who heard nothing at all.

The object came down, or came close.

Ghost rockets, Hessdalen and the northern lights that were not.

Brazil, Mexico, Argentina, Chile and Peru: some of the best-witnessed cases anywhere.

From Rendlesham to the Ministry of Defence files.

Cases that fell apart, and how.

Explanations have been offered. Not everyone accepts them.

Contact, abduction and crash-retrieval claims.

Bigfoot, lake monsters, Mothman and the rest.

Cases you can listen to, with the slideshow.

Cases with a model of the object and a spatial reconstruction.