The epigenetic clock measures biological age and could help scientists assess the health of polar bears, dolphins, baboons ...

Do clocks fall back for an extra hour of sleep this weekend? When and what to know about the time change and 2025 daylight saving time start and end.

A prior version of this story misstated the origin of the U.S. law on daylight saving time. The sun is setting ...

Local politics often find elected officials striving to work together, eager to reach agreement on the issues confronting ...

A 2025 Gallup Poll revealed that 54% of Americans want to abandon the clock changes altogether, with 48% favoring permanent Standard Time. So when Nov. 2 arrives and you reset your clock — manually or ...