The "Doomsday Clock" which represents how near humanity is to catastrophe moved closer than ever to midnight on Tuesday as concerns grow over nuclear weapons, climate change and disinformation. The ...

Scientists are exploring a new type of optical atomic clock based on ytterbium-173 ions that could help define the future standard for measuring time.

Add Yahoo as a preferred source to see more of our stories on Google. Jon Wolfsthal, director of global risk at the Federation of American Scientists (FAS), Asha George, executive director of the ...

At the dawn of the nuclear age, scientists created the Doomsday Clock as a symbolic representation of how close humanity is to destroying the world. On Tuesday, nearly eight decades later, the clock ...

The National Institute of Standards and Technology (NIST) U.S. has set a new world record for the most accurate aluminum ion-based optical atomic clock. This clock sets a new time-keeping benchmark, ...

Israel passes law making death penalty default for Palestinians convicted of killings The law makes the death penalty — by hanging — the default punishment for West Bank Palestinians ...

This is the third time that the clock has been moved closer to midnight in the past five years. “Every second counts, and we ...

Time is almost up on the way we track each second of the day, with optical atomic clocks set to redefine the way the world measures one second in the near future. Researchers from Adelaide University ...

To find out how clock accuracy is verified and which reference is used for comparison, we visited the Belarusian State Institute of Metrology (BelGIM), where most of the national standards are kept.

WASHINGTON — Atomic scientists set their "Doomsday Clock" on Tuesday closer than ever to midnight, citing aggressive behavior by nuclear powers Russia, China and the United States, fraying nuclear ...