This year, scientists included a new potential threat in their decision to move the Doomsday Clock closer to midnight. So ...

Wondering if the clocks change this year? Here's when and what to know about daylight savings time 2026 start and end.

Add Yahoo as a preferred source to see more of our stories on Google. The Bulletin of the Atomic Scientists members, from left, Jon B. Wolfsthal, Asha M. George and Steve Fetter reveal the Doomsday ...

Two independent research teams have achieved a longstanding goal in physics: building a working nuclear clock. The devices, developed by Beichen Huang and colleagues at Tsinghua University and by Luca ...

The Doomsday Clock — a symbolic device to signal an array of existential threats to the world since 1947 — was recently moved to 85 seconds before midnight, the closest it has ever been to midnight.

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For the first time, scientists used an atomic nucleus as a clock. The world’s most precise timepieces are made using atoms, specifically their electrons. But clocks based on atomic nuclei — protons ...