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

Image: (AP) Scientists have compiled the most comprehensive map yet of ... zones within the continent’s crust. This allowed them to pinpoint seismic hotspots across North America.

Since we were young, we’ve learned that Africa, Antarctica, Asia, Oceania, Europe, North America and South ... leaving the world with six continents rather than seven. Map of the Northwest ...

North America's "broken heart" is an ancient rift ... ago due to tectonic forces pulling what is now the North American continent in opposite directions. Evidence suggests the rifting process ...

A geologist has mapped the formation of North America across hundreds of millions of years, showing the continent as two relatively ... has been sketching maps for decades. His first pen-and ...

While the U.S. teaches that there are seven continents, Europe teaches that there are only six, with North and South America counting as one consolidated America. Some combine Europe and Asia into ...

North America is dripping—with sizable blobs of rock sinking from the underside of the continent ... that are weakening the base of the crust. A map of the North American craton—outlined ...

The REAL map of the world ... the break-up of the European and North American continents is still ongoing. Scientifically speaking, this would mean North America and Europe could be classed ...

A map of North America allegedly showing North America prior to colonization. This map divides the continent showing state lines, but with Indian nations who controlled each area of the country.

Dr. Ron Blakey, Professor Emeritus of Geology at Northern Arizona University, recently published maps showing the step-by-step evolution of the tectonic plates comprising North America ...

But are there really seven continents? Anyone with a map can see that Asia and Europe ... slippery step on a well-oiled slope. What about North America and Asia? They are connected by the Bering ...

The Midcontinent Rift is a giant tear that formed in what is now the U.S. Midwest 1.1 billion years ago. Nicknamed North ...