Just how much has the United States depended on immigrants to build itself throughout its history? This chart lays out the last few hundred years of the nation's immigration rates to show how pivotal it was.
Here's a sweet crash-course lesson — in animated gif form — showing how the United States expanded and took shape over the course of its history.
A Disney-animator has inadvertently stumbled upon what he thinks is only the second known photograph of Abraham Lincoln taken on the same day he delivered his famous speech at Gettysburg.
Minutes before midnight, after a landslide House vote of 250-153, President Obama signed legislation backing a four-year extension on the controversial USA PATRIOT Act. (Did you know that's an acronym for Uniting and Strengthening America by Providing Appropriate Tools Required to Intercept and Obstruct Terrorism? Now…