To learn why, where, and how earthquakes happen, you need to familiarize your students with the interior of the Earth and a model called plate tectonics. The engine behind the earthquake machine is ...

Zircon crystals from Down Under revealed when the plates emerged. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Earth's tectonic plates have ...

Some great ideas shake up the world. For centuries, the outermost layer of Earth was thought to be static, rigid, locked in place. But the theory of plate tectonics has rocked this picture of the ...

Earth’s crust looks solid from the surface, but it is broken into a shifting mosaic of slabs that slowly rearrange oceans and continents. Understanding how those tectonic plates first formed is one of ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Tiny crystals unearthed in South Africa contain evidence of a sudden transition on the planet's ...