Time
A leading archaeologist clears up what happened to the Maya
Here’s how daylight saving time can hurt your heart health
The ancient origins of the Chinese zodiac
Some people are always late. Science can explain why.
The forgotten plan to make daylight saving time permanent
This summer has seen the shortest days in Earth’s recorded history
Jet lag doesn’t have to ruin your trip. Here’s what to do
Why daylight saving time exists—at least for now
Leap year saved our societies from chaos—for now, at least
Why the leap second is going away for good
This 2,200-year-old slab bears the world’s first mention of leap year
There’s a better way to wake up. Here’s what experts advise.
Why we sing ‘Auld Lang Syne’ on New Year’s Eve
What’s the best morning routine? History may have the answer.
This Saturday, 99% of people on Earth will get sun at the same time
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