"We don't know exactly what they are or what material is creating the patterns we have uncovered," researcher Thomas Schouten said.

Understanding Earth’s structure is key to unlocking its internal dynamics. Seismic tomography shows faster-than-normal wave ...

An international team of geophysicists says it has discovered evidence of a "lost world" hidden beneath the Western Pacific ...

Here's how it works: when the Earth trembles, seismic waves spread out from the epicentre in all directions. On their way ...

Tsunamis are a hot topic in popular culture, lately. But is Florida ready for what some experts have warned for decades is ...