Bestselling books warn parents about the extreme risks of screen time on developing minds, such as The Anxious Generation by ...

Time may move forward and backward, according to new quantum physics research. Equations remain unchanged when time is ...

Atomic clocks are more accurate than those used to define the second, suggesting the definition might need to change ...

W e’ve all experienced the shift to and from daylight saving time—whether we like it or not. In decades past, we’d wake up to ...