Plate tectonics is a theory of geology developed to explain the phenomenon of continental drift and is currently the theory accepted by the vast majority of scientists working in this area. In the ...

The current theory of continental drift provides a good model for understanding terrestrial processes through history. However, while plate tectonics is able to successfully shed light on processes up ...

At Thingvellir National Park in Iceland, the rift between the North American and Eurasian tectonic plates is visible. | Credit: Mlenny via Getty Images Continental crust is lighter than oceanic crust ...

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The outermost shell of the Earth is constantly in motion. Over eons, our planet's tectonic plates have dragged the continents apart and slammed them into one another, forming ocean trenches, mountains ...

Before joining Discover Magazine, Paul Smaglik spent over 20 years as a science journalist, specializing in U.S. life science policy and global scientific career issues. He began his career in ...

V. 1. Wegener and the early debate -- v. 2. Paleomagnetism and confirmation of drift -- v. 3. Introduction of seafloor spreading -- v. 4. Evolution into plate tectonics "Resolution of the sixty year ...

(CN) — Think the first world wide web is a recent development? Think again. Billions of years before the internet was created, a natural process involving tectonic plates became a global network that ...

The diagram below shows the structure of the earth. In geography, taking a slice through a structure to see inside is called a cross section. Continental plates are usually quite thick (between 35 to ...

Plate tectonics is relatively new, put forth in the last 30 years or so — its forerunner was the now-discarded continental drift theory. The theory states that Earth's outer shell is made up of huge ...