Every clock in your house probably tells a slightly different time. Now picture those clocks as the most precise instruments humanity has ever built, so accurate that they wouldn't lose or gain a ...

In a new study, researchers carried out the most extensive coordinated comparison of optical clocks to date by operating ...

Timekeeping just got a quantum upgrade. A new quantum clock uses wave-like motion to tell precise time with minimal energy loss.

Over the past decades, physicists have been trying to develop increasingly sophisticated and precise clocks to reliably ...

A new study published in Nature Physicsreveals a significant breakthrough in quantum timekeeping, challenging a long-held ...

The Bulletin's content is both influential and understandable—an authoritative guide that confronts man-made threats to our existence. Sign up for our regular emails—we won't sell or share your ...

“The Islamic Republic of Iran has no choice but to respond to this political resolution,” the Iranian Foreign Ministry and the Atomic Energy ... putting the West on a clock to exert pressure ...

Shrestha Rath is a doctoral student in the health security track at Johns Hopkins Bloomberg School of Public Health. Her research interests include biosecurity and the governance of emerging ...

Scientists have found a surprising new way to make clocks much more accurate without using a lot more energy. This ...

As useful as corrugated cardboard is, we generally don’t consider it to be a very sturdy material. The moment it’s exposed to moisture, it begins to fall apart, and it’s easily damaged even ...

The remarkable life of the first American woman in space is profiled in this diverting but tame documentary. By Jeannette Catsoulis The film is a memoir of sorts for Jacinda Ardern, who governed ...