The Doomsday Clock: What is it and why it sped up

The Doomsday Clock, an ominous metaphor for dangers facing the world, was moved forward two minutes by a group of prominent scientists, reflecting concerns over climate change and the state of the world's nuclear arsenals

Doomsday Clock - Bulletin of the Atomic Scientists

'Doomsday Clock' stays at 90 seconds till midnight for second year. Here's why

Doomsday: 10 Ways the World Will End: Mega Eruption

Doomsday Escape