The term has increasingly been invoked on social media after major political moments, highlighting divisions among Americans.

Kirk was known for sharing extreme and provocative positions online and in frequent on-campus appearances. His killing has sparked messages threatening violence.

In "Midnight on the Potomac," author Scott Ellsworth shatters myths from the last, desperate months of the Civil War.

A new exhibit at the New England Civil War Museum brings together Connecticut brothers' artifacts after 160 years, ...