told Live Science. In that time period, there were two supercontinents: first, Rodinia, which formed around 1.2 billion years ...

told Live Science. In that time period, there were two supercontinents: first, Rodinia, which formed around 1.2 billion years ago and broke up approximately 750 million years ago, and Pangaea ...

Back then, all the major continents formed one giant supercontinent, called Pangaea. Perhaps initiated by heat building up underneath the vast continent, Pangaea began to rift, or split apart ...

By the start of the Triassic, all the Earth's landmasses had coalesced to form Pangaea, a supercontinent shaped like a giant C that straddled the Equator and extended toward the Poles. Almost as ...

At the start of the period, dinosaurs ruled the loosening remnants of the supercontinent Pangaea as rodents scurried at their feet through forests of ferns, cycads, and conifers. At the end of the ...