2003-02-24 04:00:00 PDT Denver-- In rumbling tones far lower than the sounds that human ears can hear, a symphony of mysterious noises constantly assails the entire globe, and scientists are learning ...

Infrasound is too low-frequency for humans to hear. It has been mistaken for ghosts, has been known to cause nausea and headaches in humans, and is used to monitor the testing of nuclear weapons. It’s ...

A unique array of listening devices deployed by researchers at Scripps Institution of Oceanography at the University of California, San Diego, is one of the first stations in an important new global ...

The Cotopaxi, a volcano located sixty miles from the city of Quito in Ecuador, is considered a dangerous volcano. More than 300,000 people live nearby and eruptions in the past have caused widespread ...

Hank Rinehart of General Atomics Electromagnetic Systems in Huntsville, Ala., explains how his company's infrasound sensors could help improve tracking of tornadoes. Rinehart's company is teaming with ...

For awhile now researchers have thought that infrasonic sound could be the thing to explain the “feelings” of danger or fear ...

Wit Aniwat, whose family runs an elephant camp for tourists in Thailand, was awakened by an unusual alarm clock: the trumpeting and wailing of elephants. It was a bit out of the ordinary, but Wit ...

When North Korea conducted its third nuclear explosion on February 12, the global nuclear police, the Comprehensive Test Ban Treaty Organization, detected it immediately and soon afterward released ...

Detecting an 'earthquake' on Venus would seem to be an impossible task. But conditions in Venus' atmosphere are much more hospitable, and it is here that researchers hope to deploy an array of ...

Eerie sounds from the edge of space were recorded for the first time in 50 years aboard a NASA student balloon experiment. Infrasound microphones captured the mysterious hisses and whistles 22 miles ...