Plate tectonics is the theory that Earth's outer layer is made up of plates, which have moved throughout Earth's history. The theory explains the how and why behind mountains, volcanoes ...

One might assume that marine fossils are exclusively unearthed in sedimentary coastal or underwater deposits. This is far ...

Plate tectonics is relatively new ... up of huge slabs of rock called plates that glide over the planet's inner layer, or mantle. As these plates shift, they sometimes collide with other plates ...

Discover interesting facts about how big earthquakes can get, why earthquakes happen, and why they're so hard to predict.

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 ...

Ask students what layer of the Earth is shown through the ... This is how Earth's tectonic plates move. This results in formations of mountains, new ocean floor, and earthquakes.

Two Buried Supercontinents Under Africa and the Pacific Ocean Could Be Much Older Than Previously Assumed Earth has several ...

The layers can also be categorized into the rigid outer lithosphere (which includes the crust and top portion of the mantle and makes up Earth's tectonic plates) and the athenosphere, the portion ...

It is the thinnest layer and is between 5 and 90 km thick ... the crust has cracked and split into many different pieces called tectonic plates. These plates can be oceanic, meaning they're ...