Classical plate tectonic theory was developed in the 1960s. It proposed that the outer layer of our planet is made up of a small number of rigid plates separated by narrow boundaries. The surface of ...

Millions of years ago, the Earth looked very different. A huge landmass, called Pangea, covered about a third of our planet. But about 175 million years ago, the Earth broke apart into continents, and ...

Earth's continents are set to merge into a single landmass over the next 250 million years, an animation shows. The animation was posted Tuesday to Reddit, where it quickly gained over 3,500 comments ...

Scientists studying the lost continent of Zealandia have produced a series of detailed maps that show the continent sitting beneath the ocean surface. Zealandia is a huge underwater landmass beneath ...

For a long stretch of Earth’s history, the continents were not separated by wide oceans. They were joined into a single landmass known as Pangaea. It formed slowly, through collisions that took place ...

It’s hard to imagine a time when Antarctica was a stone’s throw from the Australian Outback, or when Morocco was right across the street from New York. But that was the world 300 million years ago, ...

Discovery of a new species of 213-million-year-old meat-eating dinosaur in New Mexico suggests the first dinosaurs wandered between parts of the Pangea supercontinent that later became North and South ...