Scientists studying our planet have a pretty good idea of what goes on up here at the surface. Understanding what's going on deep underground or in the depths of the Earth's oceans is another matter ...

Seeing is believing, but what about hearing? Since the 1970s, a small percentage of people all over the world have detected a mysterious sound just on the edge of their auditory range. Some folks ...

Back in 1977, Voyager 1, a deep space probe, was launched, and since then, the space probe has been traversing the stars, gathering and relaying information back to Earth. Voyager 1 is humanity's most ...

A strange bell-like ring emitted by the Earth has left oceanographers confused for decades, but a new study may have found an explanation. The low-frequency sound, which is inaudible to human ears but ...

The global "hum" of the Earth is now helping scientists probe the planet's deep interior, a group of researchers say. Since this hum — called seismic noise, which is generated by sources such as storm ...