A leap second is a one-second modification that is sometimes used with atomic clocks, whenever there is a change in Earth's ...

The time for the Moon to revolve around the Earth is about 27.3 days, while the Earth rotates once around its axis in 24 ...

I was looking forward to writing a tribute to clear summer skies and great summer stargazing in the Pacific Northwest.

The winter solstice falls between December 20 and 23. The equinox is when there is an equal amount of day and night During the equinox, the Earth’s axis and its orbit line up so that both hemispheres ...

Friday is the longest day of the year north of the equator, where the solstice marks the start of astronomical summer.

Spring will officially come to an end on Friday, June 20, as the summer solstice rises with the sun for over 14 hours, ushering in the start of summer. Summer officially begins at 10:42 p.m.

Since the solstice occurs so late at night Philly time, is the longest day the 20th or the 21st? The answer: Both. The ...

The winter solstice falls between December 20 and 23. The equinox is when there is an equal amount of day and night During the equinox, the Earth’s axis and its orbit line up so that both hemispheres ...

The summer solstice marks the longest day of the year. Celebrate with outdoor activities, traditional rituals, and reflections on nature.

Friday, June 20, is the longest first day of the year north of the equator, where the solstice marks the start of ...

State weather bureau PAGASA said Thursday that the day and night will share nearly the same length around the world on Thursday, March 20, due to the vernal equinox. “Today, the March Equinox ...