A fascinating new study reveals how two of Earth’s established continents may constitute one whole landmass in itself.

For decades, students around the world have memorized the same geography lesson: seven continents, split cleanly by oceans ...

Earth may not have seven continents after all. From the earliest of grades, schoolchildren around the world have memorized ...

Cratons are the oldest and most stable blocks of the continent that have endured ... a full-waveform seismic tomographic model for North America. This computer model utilized seismic data ...