Two teams of physicists have made the world's first nuclear clocks. These radical new devices keep time using fluctuations in the energy states of an atom's nucleus, rather than those of its electrons ...

In Manhattan, on a wall not far from Times Square, the debt clock ticks higher and higher. After climbing for so many years with no obvious economic fallout, it's easy to ignore. Indeed, the clock was ...

What is so unsettling about this Mets season is not only that it increasingly looks like a lost year, but that the near future appears worse. If Carson Benge and A.J. Ewing are two steps forward, ...

For decades, scientists have tried to build a device even more precise than an atomic clock, which keeps time using electrons, the negatively charged particles that whiz around in an atom. Now, two ...

The countdown for half a dozen byelections is on as MPs who have signalled they won't be returning to Ottawa in the fall begin to vacate their seats. Six MPs say they intend to resign over the summer.

Two teams of physicists have made the world’s first nuclear clocks. These radical new devices keep time using fluctuations in the energy states of an atom’s nucleus, rather than those of its electrons ...