People say it every day without thinking ― “two o’clock,” “six o’clock,” “eight o’clock sharp.” But what is the purpose of that little “o” and apostrophe? Is it short for something? Why do we only use ...

To measure the passing of time, every clock works by counting oscillations of some reference frequency—whether it's the swinging pendulum of a clocktower, or the vibrations of an electrified quartz ...

February is pretty much halfway over. We all made it through Friday the 13th. And not only is the cold snap subsiding a bit, but it’s staying just the teensiest bit lighter outside for longer. All ...

Now that 2026 is officially underway, we’re only a few short weeks away from gaining more of that precious daylight. Although it may be a few weeks away, it’s time to prepare for Daylight Saving Time.

Wars, climate change, disruptive technologies and the rise of autocracy over the past year prompted scientists to set the clock at 85 seconds to midnight. Wars, climate change, disruptive technologies ...

Alex Sundby is a senior editor at CBSNews.com. In addition to editing content, Alex also covers breaking news, writing about crime and severe weather as well as everything from multistate lottery ...

Add Yahoo as a preferred source to see more of our stories on Google. The Bulletin of the Atomic Scientists members, from left, Jon B. Wolfsthal, Asha M. George and Steve Fetter reveal the Doomsday ...

Humanity continues to move closer to catastrophe, scientists said Tuesday, Jan. 27. The human race is at its closest point yet to destroying itself, according to the reset of the ominous but symbolic ...

The Bulletin of the Atomic Scientists announced on Jan. 27 that the hands of the Doomsday Clock moved forward four seconds and now sits at 85 seconds to midnight—the closest the symbolic clock has ...

The holidays are over. The darkness is heavy. Basically, winter’s making things pretty drab right now. So, in looking for things to look forward to, here’s when clocks “spring forward” for daylight ...

Nuclear clocks are the next big thing in ultra-precise timekeeping. Recent publications in the journal Nature propose a new method and new technology to build the clocks. Timekeeping has become more ...