Atomic scientists set the 'Doomsday Clock' in 2023 to 90 seconds to midnight – closer than ever before to the threat of complete annihilation of humanity. But what is the Doomsday Clock? https://reut.rs/3kHEYtf | Reuters

The 'Doomsday Clock' has been set to 89 seconds to midnight, the closest it has ever been. The clock is a symbolic timepiece showing how close humanity is to destruction https://reut.rs/3Ebqbkf | Reuters