What started as a hobby became a full-blown business for Harold MacVittie more than a decade ago. His Chapin clock shop is still ticking.

Time appeared to skip a beat last week when some of the world’s most accurate clocks were affected by a wind-induced power ...

For decades, atomic clocks have provided the most stable means of timekeeping. They measure time by oscillating in step with ...

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

The National Institute of Standards and Technology’s Internet Time Service Facility in Boulder lost power Wednesday afternoon ...

What if you could build a clock that would last for 10,000 years? A clock that would tick only once a year, bong once a century, and cuckoo once a millennium? A clock that would be a symbol of ...

The Bulletin of the Atomic Scientists set the clock at 90 seconds to midnight on Tuesday, citing the war in Ukraine as well as climate change, online disinformation and other threats. By Jesus Jiménez ...

We say this word multiple times a day, but what does it really mean? Two linguists took the time to explain the fascinating origin of o'clock. Read on to learn what the o in o’clock stands for and how ...

The Doomsday clock was set at 89 seconds to midnight on Tuesday morning, putting it the closest the world has ever been to what scientists deem "global catastrophe." The decades-old international ...

For more than a century, dinosaur eggs have offered haunting snapshots of ancient life, from curled embryos to trampled nests ...

The Doomsday Clock depicts how close humanity is to armageddon – but where did it come from, how do you read its time, and what can we learn from it? Existential risk researcher SJ Beard explains. I ...