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  2. List of unexplained sounds - Wikipedia

    en.wikipedia.org/wiki/List_of_unexplained_sounds

    Upsweep is an unidentified sound detected on the American NOAA's equatorial autonomous hydrophone arrays. This sound was present when the Pacific Marine Environmental Laboratory began recording its sound surveillance system, SOSUS, in August 1991. It consists of a long train of narrow-band upsweeping sounds of several seconds in duration each.

  3. 2024 Northeastern United States drone sightings - Wikipedia

    en.wikipedia.org/wiki/2024_Northeastern_United...

    Unidentified drones have been reported in the United States for several years prior to current 2024 reports. [25] In late 2019 and 2020, there was a wave of reports of sightings over Colorado and Nebraska. [26] [27] In December 2023, multiple unidentified drone incursions were reported at Langley Air Force Base in Virginia.

  4. Bigfoot heard ‘screaming,’ ‘whooping’ in Connecticut ...

    www.aol.com/news/bigfoot-heard-screaming...

    Moneymaker said the October 2023 incident was deemed credible after ruling that species known in the area would not have been able to emit the “strange unidentified sound” that was reported.

  5. Category:Unidentified sounds - Wikipedia

    en.wikipedia.org/wiki/Category:Unidentified_sounds

    This page was last edited on 28 February 2024, at 03:30 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.

  6. Scientists Heard Deep Sounds in the Stratosphere. They Can't ...

    www.aol.com/scientists-heard-deep-sounds...

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  7. Upsweep - Wikipedia

    en.wikipedia.org/wiki/Upsweep

    Upsweep is an unidentified sound detected by the U.S. National Oceanic and Atmospheric Administration's (NOAA) equatorial autonomous hydrophone arrays. The sound was recorded in August, 1991, using the Pacific Marine Environmental Laboratory's underwater sound surveillance system, SOSUS .

  8. All of the leading theories surrounding mysterious drone ...

    www.aol.com/news/mystifying-nj-drone-phenomenon...

    In the shocking absence of a federal explanation for the phenomenon local politicians, police, and drone analysts have all come up with their own theories.

  9. The Hum - Wikipedia

    en.wikipedia.org/wiki/The_Hum

    The Hum is a name often given to widespread reports of a persistent and invasive low-frequency humming, rumbling, or droning noise audible to many but not all people. Hums have been reported all over the world, including the United States, the United Kingdom, Australia and Canada.