On September 11, 1997, a caller claiming to be a former Area 51 employee phoned Art Bell’s live radio show.

He sounded terrified, warned about “extra-dimensional beings,” and then the broadcast abruptly cut out.

Months later, another caller claimed the whole thing had been a hoax — but his identity was never conclusively verified.

What really happened that night?

On September 10, 1990, witnesses in Alfena, Portugal, reported seeing a strange metallic object hovering in daylight.

It was described as roughly spherical, with appendages hanging underneath, earning it comparisons to a “flying jellyfish.”

Photographs were taken, but the object was never conclusively identified.

What was really seen over Alfena that morning?

On September 8, 2021, a US military AC-130J gunship crew reported detecting multiple unidentified objects over the Gulf of Oman.

Two orb-like objects were reportedly seen hovering just above the water and appeared cold on infrared.

The incident remained unresolved, and footage connected to the case was publicly released in 2026.

A conventional explanation… or a genuine UAP encounter?

On September 7, 1967, a horse later known as Snippy disappeared from a ranch in Colorado.

Two days later, it was found dead under bizarre circumstances, helping to spark decades of speculation about mysterious animal mutilations.

Some details of the case remain disputed, but the mystery has never completely gone away.

On September 4, 1971, a Costa Rican government survey plane was photographing the landscape around Lago de Cote when one image captured a mysterious disc-shaped object over the lake.

Nobody aboard reported seeing the object at the time, and the photograph was only discovered later when the film was examined.

Was it a photographic anomaly, or a genuine UFO?

On September 3, 1965, 18-year-old Norman Muscarello reported seeing a huge object with five flashing red lights near Exeter, New Hampshire.

When police officers returned to the scene with him, they also reported seeing the strange lights.

The case was investigated by the US Air Force as part of Project Blue Book, but the object was never fully identified.

Was it a military aircraft, or a genuine UFO?

On September 1, 1969, witnesses in Berkshire County, Massachusetts reported strange lights and a disc-shaped object in the sky.

Some later said the experience involved missing time, helping turn the Berkshire UFO incident into one of the best-known regional UFO cases in America.

Was it a misunderstood sighting, or a genuine close encounter?

On August 30, 1977, strange disturbances were first reported inside the Hodgson family home in Enfield, North London.

Shaking beds and unexplained knocking were only the beginning of what would become one of Britain’s most famous alleged paranormal cases.

Was the Enfield Poltergeist genuine, or was there another explanation?

On August 29, 1967, two children near Cussac, France reported seeing four small humanoid figures beside a glowing spherical object.

The strange encounter was later investigated by French authorities and remains one of France’s most famous UFO cases.