
The Bloop: What Made the Loudest Sound in the Ocean?
In 1997, NOAA hydrophones caught a sound louder than a blue whale from an empty stretch of the South Pacific. The ice theory answered part of it.
Evidence-based exploration of the world's greatest unsolved mysteries. No sensationalism. Just curiosity, research, and the facts as we know them.
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In 1997, NOAA hydrophones caught a sound louder than a blue whale from an empty stretch of the South Pacific. The ice theory answered part of it.

In September 1961, a New Hampshire couple lost two hours on a dark road. The Betty and Barney Hill case launched the modern age of alien abduction.

In 1970, a woman's burned body was found in a Norwegian valley with nine aliases, coded notes, and every label cut from her clothes. She has never been named.

In 1921 a five-masted schooner ran aground off Cape Hatteras with her sails set, food on the stove, and not one of her eleven crew aboard. They were never found.

In 1994, dozens of schoolchildren in Ruwa, Zimbabwe described a silver craft and a being with enormous eyes. Decades later, their accounts have not changed.

Between 1764 and 1767 something tore through the mountains of south-central France, killing scores of people. The king sent hunters. No one agreed what it was.