“Europe is a stupid idea for a continent,” says Jonn Elledge, author of A History of the World in 47 Borders: The Stories Behind the Lines on Our Maps. “Its boundaries with Asia are mainly ...

These continents are still on the move today ... plate tectonic activity takes place at four types of boundaries: divergent boundaries, where new crust is formed; convergent boundaries, where ...

If the plates there continue to diverge, millions of years from now eastern Africa will split from the continent to form a new landmass. A mid-ocean ridge would then mark the boundary between the ...

New crust is continually being pushed away from divergent boundaries (where sea-floor spreading occurs), increasing Earth's surface. But the Earth isn't getting any bigger. What happens ...

We know that this is not the case. Wegener suggested that mountains formed when the edge of a drifting continent collided with another, causing it to crumple and fold. For example, the Himalayas ...