Santa Claus isn’t the only thing making a fly-by of Earth this week. NASA has warned that a giant asteroid the size of a 10-story building will be whizzing right past us tonight. Dubbed 2024 XN1 ...

Plate tectonics is the theory that Earth's outer layer is made up of ... Perhaps initiated by heat building up underneath the vast continent, Pangaea began to rift, or split apart, around 200 ...

These types of collisions can also lead to underwater volcanoes that eventually build up into island arcs like Japan. At divergent boundaries in the oceans, magma from deep in the Earth's mantle ...