It wasn't until 1912 that meteorologist Alfred Wegener hypothesized that Earth's continents had once been joined as a ...

Alfred Wegener was one of those people ... 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 ...

Pangaea is Earth's most recent supercontinent, which existed 320 million to 195 million years ago. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it ...