No, this clock won't blow up the planet. But it does have some quirks that you might find interesting. For example, it uses laser beams. What else? See more »

The most expensive wrist watch in the world is embellished with 1,282 diamonds and costs $5 million. But can it really tell time better than a Timex? See more »

Don't declare it dead just yet. These advanced time tellers may help you get fit (and let you know if the train is on time). See more »

Do you check your horoscope compulsively, or snort derisively at the very thought? Before you dismiss astrology as nonsense, consider this: It has a long history with timekeeping. We're happy to tell you all about it. See more »

Sometimes your watch is a little slow -- or at least that's what your friends insist. But down deep you wonder: Whose timepiece is really correct -- yours or theirs? And furthermore, just how accurate can anyone expect his watch to be? See more »

These exquisitely crafted instruments have hundreds of uses. Isn't it time you learned how to use this handy decoder of the sky? See more »

You've trained for 16 long weeks, and the day of your very first marathon has dawned -- exceedingly early, we might add. How are the race directors going to ensure that your premier time is clocked as accurately as possible? See more »

Clocks come in many different forms, from quartz watches to atomic clocks. Take a peek inside and learn what makes each kind tick. See more »

The ability to tell time has been around for centuries. What began as a fairly simple practice has evolved into a complex system of time, daylight savings and leap years. But where did it all start, and what was the role of sundials? See more »

When you need to know the time, there's about a 50-50 chance you'll turn to some LEDs to find out. Have you ever wondered what goes on inside a digital clock or watch? See more »