Atomic clocks — among the most precise instruments humans have ever built — have been keeping track of Earth’s spin since the ...

Quantum sensing specialist Aquark Technologies has completed a second trial of its AQlock atomic clock system, facilitated by the Disruptive Capabilities and Technologies Office (DCTO) of the UK Royal ...

Well according to astronomers, last night was a few milliseconds 1.3 ms shorter to be precise and there are more days this ...

Atomic clocks and our computer networks are the new, far superior form of time measurement, but we’re forcing them to keep in sync with this older form of measurement,” remarks Dr. David Gozzard, an ...

Daniel Kleppner, prize-winning physicist, dies at 92 The MIT professor, a recipient of the National Medal of Science, developed technologies that helped pave the way for the Global Positioning System.

The images are the first look at damage to one of Iran’s main nuclear facilities after American bombers struck that site and two others early Sunday local time.

In this interview, Ian Stewart, executive director of the James Martin Center for Nonproliferation Studies in Washington, DC, says that, in the aftermath of the bombing of Iranian nuclear facilities, ...

Write Before Midnight A Bulletin short fiction contest Announcing the Bulletin‘s new short fiction contest… Over the decades, the Bulletin of the Atomic Scientists has published the smartest minds in ...