Think of the phases labeled "new moon," "first quarter," "full moon," and "third quarter" as the numbers 12, 9, 6, and 3 on a clock, respectively. (For those of us in the Northern Hemisphere, the ...

Experts say July’s full moon could reduce sleep by up to 20 minutes on the evening of the 10th and as much as 90 minutes in the days leading up to and following it. Scientists in Switzerland ...

Tessmar-Raible showed that the worms’ circalunar clocks functioned in a similar way: After two months of exposure to an artificial lunar cycle, the worms maintained the appropriate reproductive ...

An astronaut on the moon looking at an Earth-based clock, for example, would see it lose about 56 microseconds per terrestrial day. Although that amount may sound minuscule, ...

WASHINGTON (AP) — Time moves a tad faster on the moon. Now an international group of astronomers has joined calls to give the moon its own clock so that future space missions can keep track of ...