13 Of The Most Terrifying Sounds You Will Ever Hear

Don't listen to these. OK, don't say I didn't warn you.

1. Saturn:

From the YouTube description: "The Cassini spacecraft has been detecting intense radio emissions from the planet Saturn. They come from the planet's aurorae, where magnetic field lines thread the polar regions. These signals have been shifted into the range of human hearing and compressed in time."

2. Recording from 1860:

Terrifying.

3. Warning sirens:

Self-explanatory. Just terrifying.

4. The Bloop:

An unexplained sound from the bottom of the ocean.

5. Julia:

Another unexplained deep sea sound. Who's Julia?

6. The Wandering Soul

From the YouTube description: "An audio mix the US military used during the Vietnam War against the North Vietnamese," in an attempt to scare the enemy into submission.

7. Alessandro Moreschi:

A video of the only castrated male to have made a sound recording.

8. Red Fox sounds:

Via youtube.com

From the YouTube description: "The cubs in the pen were orphans who were later returned to the wild."

9. Hurricane winds:

Again, terrifying.

10. Jupiter:

Via youtube.com

From the YouTube description: "The complex interactions of charged electromagnetic particles from the solar wind , planetary magnetosphere etc. create vibration "soundscapes". It sounds very interesting, even scary."

11. UVB-76:

From the YouTube description: "A Russian Number Station which broadcasts a single buzzing, monotonous, note 25 times a minute every hour. One minute before the hour the tones changes to the manner it does in this clip. It's been broadcasting since about 1987 and has only been interrupted on a couple of occasions when it aired garbled, distorted, coded messages and then resumed broadcasting the buzz."

12. The Max Headroom Incident

From the Youtube description: "On a late-November evening in 1987, two Chicago television stations were victims of a broadcast signal takeover. No one knows who the perpetrator was."

13. And, of course, most terrifying of all... The Unsolved Mysteries" theme:

Sounds via Reddit's "What Is The Creepiest Audio Recordings You Have Ever Heard."