The annual update of the Doomsday Clock was announced at 10 a.m. this morning in Washington, DC. The Bulletin of the Atomic Scientists announced that the Doomsday Clock this year was set to 90 seconds ...

The 2024 nuclear doomsday clock has been reset, but there is still time for final revisions. The clock was created in 1947 by the Bulletin of the Atomic Scientists, a nonprofit that was founded in ...

We’re once again approaching the annual resetting of the Doomsday Clock. Last January, the Science and Security Board of the Bulletin of Atomic Scientists, a ...

Our planet is the closest it has ever been to a global nuclear holocaust, members of the scientific community have warned over the past two years. Sometime this month, they will announce whether we ...

Ray Calloway is active, articulate and mostly free from the chronic health conditions that can dog aging citizens. Most weeks, the 92-year-old travels from his home near Golden West College to the ...

Researchers demonstrated a new optical atomic clock that uses a single laser and doesn't require cryogenic temperatures. By greatly reducing the size and complexity of atomic clocks without ...

Optical lattice clocks are emerging timekeeping devices based on tens of thousands of ultracold atoms trapped in an optical lattice (i.e., a grid of laser light). By oscillating between two distinct ...