Add Yahoo as a preferred source to see more of our stories on Google. The U.S. Penitentiary Administrative Maximum Facility, also known as the ADX or "Supermax," in Florence, Colo. (Jason Connolly / ...

Tucked into the high plains of Fremont County, a two-hour drive southwest of Denver, is America’s highest-security prison: ADX Florence, the only federal prison with a Supermax designation. The ...

Two convicted killers spared from execution by President Biden are now instead locked up inside America’s most notorious prison, the Justice Department told The Post Saturday. The inmates were ...

The spread of the novel coronavirus has raised concerns among prison officials who have been weighing the merits of releasing some prisoners considered low-risk. However, at one of the world’s most ...

The investigative minds at How to Survive analyze structural weaknesses and environmental conditions that contributed to escape attempts from ADX supermax prison. ‘Everybody hates you now’: Trump ...