"Every clock needs two components: first, a time base generator, such as a pendulum in a pendulum clock, or even a quantum oscillation.

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.

The Doomsday Clock now stands at 89 seconds to midnight, the closest to catastrophe in its nearly eight-decade history. Here's a look at how — and why — it's moved.

What is the Doomsday Clock? It's 2025 and scientists have reset the clock closer to midnight and global catastrophe. Here's what it all means.

The Doomsday Clock is a metaphor for how close the world is to being inhabitable for humanity. Scientists just set the new time for 2025.

Each year for the past 78 years, the Bulletin of the Atomic Scientists has published a new Doomsday Clock, suggesting just how close – or far – humanity is to destroying itself. The next ...

Travel data provider Hopper Inc., one of Canada’s largest closely held technology companies, is eyeing a public listing that its founder believes will value the business at as much as $10 billion.

We say the word multiple times a day, but what does the "o" in "o'clock" stand for? Two linguists took the time to explain its origin.

A recent breakthrough has paved the way for timekeeping even more precise than the measurements performed by atomic clocks.