The stewards of the clock meet annually to discuss re-setting the clock based on current world events. The Doomsday Clock was previously set at 100 seconds to midnight in 2020.

And even though the clock evokes a potentially terrifying future, Holz takes a more optimistic approach to the entire endeavor. “Really, the Doomsday Clock is a symbol of hope,” Holz says. “The whole ...

Jan. 14, 2010 -- Is humanity approaching an apocalypse? Today, a group of international scientists will move the hands of the symbolic "Doomsday Clock" for the first time in two years.