Will birthdays go the way of the Betamax and Blackberry? Our culture is always eager to move away from old things toward new things and these days if you want to know how old you are, the number of ...

Scientists from the Chinese Academy of Sciences and Monash University report that they have developed a new method to measure biological aging in individual cell types. The new tool offers a more ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Picture a clock ...

Hickory dickory dock, this nucleus could make a great clock. A special variety of the element thorium hosts an atomic nucleus that could be used to keep time, scientists say. In a first, researchers ...

I have appraised all types of clocks — tallcase clocks, carriage clocks, mantel clocks and more — for clients in all parts of the world. These clock collectors have been surprised, or even stunned, ...