As more people wake up to the fact that smartphones and sleep don't go well together, the best alarm clocks are popping up on more nightstands. Mornings are brutal enough without your phone shrieking ...

The advantage of a radio-controlled clock that receives the time signal from WWVB is that you never have to set it again.

View over 500 magazine covers the Bulletin has published since 1945. In these issues, you'll see contributions from luminaries such as Albert Einstein, John F. Kennedy, and Mikhail Gorbachev. When you ...

Until now, optical atomic clocks have been confined to extremely limited scientific and research environments, such as NASA’s Goddard Space Flight Center and the National Institute of Standards ...

En-route to nuclear clocks, researchers have found a resonant mode in thorium atom nuclei with a low temperature coefficient – nuclear oscillators are mooted initially as replacements for atomic ...