Do you remember the last day of school before summer break? The clock ticking down to the end of the day, and then that wild, ...

Two independent research teams have achieved a longstanding goal in physics: building a working nuclear clock. The devices, developed by Beichen Huang and colleagues at Tsinghua University and by Luca ...

For the first time, scientists used an atomic nucleus as a clock. The world’s most precise timepieces are made using atoms, specifically their electrons. But clocks based on atomic nuclei — protons ...

Test your math skills against the clock! Watch as participants race to solve equations. Fun and educational! 'He's in my car?': Dad whose baby was found 'hot to the touch' inside Escalade insisted ...

A dribble and a jump shot, followed by a fractions task. That is what physical education classes looked like for a group of pupils, and the pupils not only found the lessons more engaging than ...

Overture Games, an after-school program used in several Chicago schools and youth centers, relies on old-school paper and pencil to teach students AI skills. But as AI education lags in elementary ...

Correction & clarification: A prior version of this story misstated the origin of the U.S. law on daylight saving time. Sunsets are earlier, the nights getting longer and the leaves are turning — ...