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 ...

Our blue planet spins suspended in outer space—and it hums, too. European researchers say the Earth's incessant hum originates from the bottom of the ocean. This study, published by researchers from ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Earth gives off a relentless hum of countless notes completely imperceptible to the human ear, ...