Airlines rarely announce how much water they carry; excess potable water adds weight, but little water is no good either.

We publish this week … the substance of an address by Prof. N. Bohr on the development of the theory of atomic structure, and in particular of the latest form and tendencies of the quantum theory in ...

"What time is it?" used to be a surprisingly tricky question to answer in North America. Before Nov. 18, 1883, every city and town kept its own local time, set by the position of the sun. That meant ...

MOBILE, Ala. (WALA) - This weekend marked the switch back to Standard Time, bringing earlier sunsets and brighter mornings. But many people are asking: should we keep Standard Time year-round, or stay ...

Freelance writer Amanda C. Kooser covers gadgets and tech news with a twist for CNET. When not wallowing in weird gear and iPad apps for cats, she can be found tinkering with her 1956 DeSoto. Daylight ...

You might wake up feeling a bit more refreshed, now that most of us will gain an extra hour of sleep. The return to standard time, or when we "fall back," happens at 2 a.m. Sunday, Nov. 2, marks the ...

Many people in the United States may have their circadian rhythm thrown off come Sunday morning, Nov. 2, due to daylight saving time ending. Clocks will "fall back" to standard time this year at 2 a.m ...

Daylight Saving Time for 2025 ends at 2 a.m. on Sunday, Nov. 2, in California, with clocks resetting to 1 a.m. Pacific Standard Time. Most of the United States will “fall back” to Standard Time on ...

Daylight saving time (DST) comes to an end this weekend when we all “fall back” by setting our clocks back by one hour. On Sunday, Nov. 2, we’ll move our clocks back from 2 a.m. to 1 a.m. local time, ...

It’s time to fall back again. The clock will strike 1 a.m. twice Sunday as daylight saving time once again comes to an end. Here’s what you need to know about daylight saving time and why the United ...

It's time to fall back. Daylight saving time ends this weekend. On Sunday, Nov. 2, at 2 a.m., clocks will "fall back" to standard time, where they will remain until next spring. Since we gain an hour, ...

The clocks will be set back one hour at 2 a.m. (to 1 a.m.) local time on Sunday, Nov. 2, 2025, across North America. Should daylight saving time be abolished? It’s almost time for North America to ...