Scientists: 'Doomsday Clock' Reflects Grave Threat to World
The Bulletin of the Atomic Scientists leaves Doomsday Clock unchanged, citing global nuclear tensions and climate change accord
Associated Press
Doomsday Clock ticks one minute closer to midnight
Doomsday Clock ticks one minute closer to midnight

The Doomsday Clock, explained
The Doomsday Clock is a symbol that represents how close humanity is to self-destruction. The clock hands are set annually by the Bulletin of the Atomic Scientists, a group formed by Manhattan Project scientists at UChicago after World War II.