Nightlife experts from across the globe say ambitious plans to transform Sydney into a 24-hour city that never sleeps will ...

Key Takeaways Charles Schwab plans to expand its 24-hour trading, becoming the latest brokerage to embrace round-the-clock ...

It's time to move clocks back on Sunday. Daylight saving time ends in the U.S. at 2 a.m. local time, which means setting your ...

Imagine waking up with just 24 hours left to live! In this thrilling and intense challenge, participants must race against ...

A clock with hands (an analogue clock) shows us the numbers 1-12. There are 24 hours in one day, so we measure time by splitting the day into two halves. The first 12 hours of the day, from ...

The brain has a master clock that is set by exposure to sunlight and darkness. This circadian rhythm is a roughly 24-hour cycle that determines when we become sleepy and when we’re more alert.

So, to turn things around, I've decided to untether from my phone and live more in the moment. Toward that end, I recently ...