Pangea Ultima: In 200 million years, Earth could have a new supercontinent, and its climate may be almost impossible for humans to survive

Earth's continents may look permanent on a human timescale, but they are constantly moving. Driven by the slow movement of tectonic plates, today's familiar map is only a temporary arrangement in the planet's much longer geological history.Scientists expect the continents to eventually come together again, forming another supercontinent hundreds of millions of years after the breakup of Pangea. But the biggest surprise may not be the shape of that future world. It could be the climate.Research suggests that one possible future supercontinent, known as Pangea Ultima, could create such extreme conditions that large parts of Earth's land surface become unsuitable for mammals.The scenario is not a prediction of exactly what Earth will look like.