The Doomsday Clock has never been closer to metaphorical midnight. What does it mean?
The Doomsday Clock now stands at 89 seconds to midnight, the closest to catastrophe in its nearly eight-decade history.
What is the Doomsday clock? Why did it move closer to global catastrophe? What it means
What is the Doomsday Clock? It's 2025 and scientists have reset the clock closer to midnight and global catastrophe. Here's ...