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

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 ...

Researchers have proposed a theoretical timepiece, dubbed the "CRASH Clock," which tells us how quickly satellites would ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. For most of human history, we kept time by Earth’s place in space ...

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 ...

If midnight is a metaphor for the end of the world, we’re just ninety seconds away, according to the Bulletin of the Atomic Scientists. The Bulletin of the Atomic Scientists’ Science and Security ...