When Doomsday comes, Americans will tweet - Bulletin of the Atomic Scientists

The CDC studied thousands of tweets sent by panicked Hawaiians after a false ballistic missile alert last year. Conclusion: there's no escaping social media in a nuclear emergency.

Climate change and nuclear weapons push Doomsday Clock closer to

Bulletin of the Atomic Scientists — Story

What the Doomsday Clock is really counting down to: Risk of

The Doomsday Clock: A Historical Timeline To Armageddon

The many, many times the world has come close to doomsday

Bulletin of the Atomic Scientists moves Doomsday Clock 2 minutes

Scientists move Doomsday Clock closer to 'midnight.' Trump's

The Doomsday Clock Moves Closer Than Ever to Midnight

Doomsday Clock at record 90 seconds to midnight amid Ukraine

Doomsday Clock Set at 90 Seconds to Midnight as Scientists Cite

The history of the Doomsday Clock design

What a Doomsday Clock Represents in Troubled Times - Pacific Standard