American psychology owes its 20th-century growth to federal funding. The roots of this relationship can be traced back to ...

Originalism is often countered by the idea that the Constitution is a living, breathing document meant to be interpreted and changed along with the times. Jill Lepore is a historian at Harvard ...

Opinion: Is the original idea of America and the promise pledged 238 years ago still alive today or fading into the gray?

Discover the history behind the establishment of the U.S. Air Force on September 18, 1947. Learn how decades of innovation, World War II air power, and President Truman's National Security Act created ...