Scientists have uncovered that the continental divide between South America and Africa 135 million years ago unleashed 16 ...

Beginning less than an hour from Denver in the town of Idaho Springs, North America's highest paved road invites sightseers ...

Water always flows from higher terrain to lower elevations, but getting from high to low is not an easy (or always direct) ...

During that process, as more and more continental collisions crumpled eastern North America and thrust its agglomerated slivers into the sky, the Appalachian Mountains were born. To the west ...

As human settlers from Europe settled in and expanded westward across North America — motivated both by fear ... Ecosystem (including Yellowstone National Park), the Northern Continental Divide ...

As human settlers from Europe settled in and expanded westward across North America — motivated both by fear ... Ecosystem (including Yellowstone National Park), the Northern Continental Divide ...