Nuclear clocks are a technology researchers have been working toward for decades. New research in theoretical physics brings them closer to reality.

Once hundreds of clocks are hung in a new exhibition space, “it’s going to be like stepping into the Black Forest.” By Sandra Jordan Reporting from Waterford, Ireland “How often do you get the chance ...

The 2011 science fiction film In Time has been hanging out on the HBO Max charts for much of the past week, very likely because, as with a lot of 2010s-era movies that unexpectedly pop on streaming, ...

The European Space Agency’s ACES mission could ultimately pave the way for a global network of atomic clocks that make these measurements far more accurate. In 2003, engineers from Germany and ...