Introduced in 1947, the clock is a symbolic instrument informing the public when humankind is facing imminent disaster. The movement of its hands, either forward or backward, is decided by the Science ...

The concept comes from the work of Edward Norton Lorenz, a mathematician and meteorologist who defined the butterfly effect as: “The phenomenon that a small alteration in the state of a dynamical ...

CHICAGO, Illinois (CNN) --The hands on the Bulletin of Atomic Scientists' Doomsday Clock were moved forward Wednesday to reflect what the group believes is a greater risk of nuclear conflict in ...