Every so often, the night’s sky will give way to something unfamiliar. A light that glows differently from its neighboring stars, or an object that moves unlike any airplane you’ve seen before.

The Civil War may have freed an estimated 4 million slaves, but that wasn’t nearly the end of acts of racial violence committed against African Americans. Acts of domestic terrorism against black ...

The U.S. Coast Survey map calculated the number of slaves in each county in the United States in 1860. Library of Congress In September of 1861, the U.S. Coast Survey published a large map, ...

Most of the time, The New York Times asks you to read something. Today we are inviting you, simply, to look. On this page you will find maps showing almost every building in the United States. Why did ...