insisted the Pentagon building was shaped like a square and that there were only seven US senators. When one was asked how many justices are on the Supreme Court, one girl sought to clarify ...

The Pentagon in Arlington, Virginia, is the U.S. Department of Defense headquarters and one of the world's largest office buildings. - Jen Golbeck/SOPA Images/LightRocket via Getty Images 32,903 ...

China is building a massive military command center that's 10 times the size of the Pentagon. Intelligence analysts say it's likely designed to protect China's top officials from a nuclear attack.

The Pentagon has revealed that it is now investigating claims made by a government contractor that he retrieved a crashed 'egg-shaped' UFO. Jake Barber came out as a whistleblower in January ...