Add articles to your saved list and come back to them any time. A New Zealand scientist believes he's captured a recording of the mystery hum that has been heard by scores of people living and in and ...

Scientists have recorded the mysterious sound of the Earth deep underwater for the first time. The eerie hum could be key to understanding the makeup of the planet itself—but no one knows what makes ...

Add articles to your saved list and come back to them any time. Scientists investigating a strange humming sound in the New Zealand city of Auckland believe they have pinpointed the frequency. The ...