In 1912 he proposed that the continents we know today were once all attached in a single landmass he called Pangaea (Greek for "all earth"). They were surrounded by one global ocean, but then ...

Scientists have mapped the past 1.8 billion years of Earth’s continental drift by studying ... showing how Pangaea and Gondwana formed from older tectonic activity. Then, supercontinent Rodinia ...

Explore how the break-up of the supercontinent Pangaea created different ecosystems and what impact that had on dinosaur ...

Plate tectonics is the theory that Earth's outer ... Whatever drives the movement, plate tectonic activity takes place at four types of boundaries: divergent boundaries, where new crust is formed ...