Time feels like the most basic feature of reality. Seconds tick, days pass and everything from planetary motion to human memory seems to unfold along a single, irreversible direction. We are born and ...

The way time ticks forward in our universe has long stumped physicists. Now, a new set of tools from entangled atoms to black ...

A fringe new theory suggests that time is the fundamental structure of the physical universe, and space is merely a byproduct. According to Gunther Kletetschka, a geologist — not a physicist, you’ll ...

Daylight saving time in 2025, when clocks change by an hour, has begun. Here's a look at when exactly we "spring forward" and how daylight saving time works. What time exactly does the time change for ...

With clocks set to fall back from daylight saving time to standard time in just under two weeks, many are wondering why the time changes happen and what would be different without them. From mid-March ...

Daylight saving time is ending this weekend, giving Americans an extra hour of sleep and requiring them to change clocks. The twice-yearly time change is somewhat controversial, with calls to either ...