Perhaps initiated by heat building up underneath the vast continent, Pangaea began to rift, or split apart, around 200 million years ago. Oceans filled the areas between these new sub-continents.

Instead, the move happened in fits and starts, with continents creeping apart at that single-millimeter-per-year rate for 40 million years, and then suddenly speeding up to 20 times that speed ...

Continents are difficult to define because the Earth is often changing. Originally, about 300-200 million years ago, Earth contained one landmass known as Pangea, a supercontinent that eventually ...

Ever since the Pre-Cambrian (600 million years ago), ice ages have occurred at widely spaced intervals of geologic time - approximately 200 million ... and height of the continents, ocean ...

Around 250 million years ago, all of the continents were joined together as ... That means it would take around 200 million years to add an hour to your Saturday. Although our world is definitely ...