The world slipped further toward the abyss over the past year, with the Bulletin of Atomic Scientists on Tuesday moving the hands of the famed Doomsday Clock four seconds closer to midnight, at 85 ...

The "Doomsday Clock," a metaphor for how close humanity is to self-annihilation, was moved to 85 seconds to midnight on Tuesday, its closest point to catastrophe since the clock made its debut nearly ...