Putin’s nuclear threats move ‘Doomsday Clock’ closest ever to Armageddon, atomic scientists say

The Bulletin of the Atomic Scientists announced Tuesday that it has moved its metaphorical Doomsday Clock closer than ever to midnight, the hypothetical hour of Armageddon, reflecting experts’ assessment that humanity is confronting unprecedented threats to its existence.

The 2023 countdown time was set at “90 seconds to midnight,” the group’s leaders announced in a press conference at the National Press Club. This new time was 10 seconds closer to “doomsday” than it was set to a year ago. The group has been measuring real and existential threats to humankind,...