The polygraph is not a lie detector but rather an instrument that measures a person’s physiological changes to questions posed by the examiner. An elevated physiological response to a particular ...

When you sit in front of a lie detector machine, you quickly realise how easy it is to tell fact from fiction. The machine, which is pre-loaded with questions from the one seeking the truth ...

Teyana Taylor reveals a spicy new detail about her relationship with Aaron Pierre. While promoting her latest show All’s Fair ...

A version of this story appeared in CNN’s What Matters newsletter. To get it in your inbox, sign up for free here. When President Ronald Reagan’s White House threatened thousands of government ...

Leonarde and Katherine Keeler pose with the Keeler Polygraph machine, 1935. Courtesy Everett Collection. This article is the first in a series called A Thousand Words, where we feature an interesting ...

A creepy sex cult leader kept a polygraph machine in the New Jersey home where he is accused of manipulating Sarah Lawrence College students, a prosecutor revealed Tuesday. Assistant U.S. Attorney ...