"It's pretty surreal to walk between two major pieces of Earth's crust that are drifting in different directions," Brooke ...

The tectonic plates float on top of the mantle, meaning the tectonic plates and the mantle move at the same time. The core is made of iron, with a smaller amount of nickel. The inner core is solid ...

"Subducting tectonic plates that end up in the slab graveyard ... they are not involved in the convection or flow of the mantle, meaning that the mantle may not be as well-mixed as we first ...

Maine is not typically associated with significant seismic activity, making Monday's earthquake all the more unusual. Most ...

Geology. The presence of oceans, continents and plate tectonics on Earth is most likely the reason there is no evidence for advanced extraterrestrial civilizations, according to new research by ...

WSJ explains why the meeting of three tectonic plates under the region mean there may be more earthquakes along the faultlines. Some days the high-speed news cycle can bring more questions than ...