Thanks to Einstein’s relativity, time flows differently on Mars than on Earth. NIST scientists have now nailed down the ...

The clocks aboard our icebreaker will be changed several times en route to Antarctica. It’s one of many things that make the ...

Puzzle 1: You are given nine gold coins that look identical. You are told that one of them is fake, and that this coin weighs ...

As of a June 2025 EdWeek tracker, New York is one of 21 states, as well as Washington D.C., that have banned smartphones ...

A movement to help students understand rather than memorize has had sprawling effects, including pushback on teaching methods ...

Meta's work made headlines and raised a possibility once considered pure fantasy: that AI could soon outperform the world's best mathematicians by cracking math's marquee "unsolvable" problems en ...

Sleep and time are the fundamentals that make efficient learning possible. Parents can help students connect effort, habits, and results.

The emission of photons by excited nuclei has been explored for timekeeping and sensing, but nuclear processes that eject electrons offer practical advantages. Electrons in atoms can exist only in ...

Both the musical and its movie adaptation largely leave out a key piece of worldbuilding from Gregory Maguire's novels—making the repeated use of 'Clock Tick' in 'For Good' come off weirder than any ...

Why are we asking for donations? Why are we asking for donations? This site is free thanks to our community of supporters. Voluntary donations from readers like you keep our news accessible for ...

No, I did not prepare for the end of Daylight Saving Time this past weekend, when most US states set clocks back an hour. Sunrise and sunset now come an hour earlier, despite my protestations. Experts ...

Daylight saving time has come to an end for 2025. Early Sunday morning, the clocks fell back and we gained an hour. Here's what to know about the seasonal time change. When did the time change for the ...