WASHINGTON — Atomic scientists on Tuesday kept their “Doomsday Clock” set as close to midnight as ever before, citing Russia’s actions on nuclear weapons amid its invasion of Ukraine, nuclear-armed ...

Australia’s ancient rocks are acting like natural clocks, revealing how landscapes changed over billions of years through ...

We have bad news: Humanity is inching closer and closer to its doom. That's the upshot from the Bulletin of Atomic Scientists, a group of experts who routinely assess the state of the world and how ...

Scientists from MIT have developed what they believe is the most accurate atomic clock ever constructed. The clock, which utilizes quantum entanglement of atoms and a different element than most ...