Because Earth moves in an elliptical orbit around the sun, being further away means it travels slower along its orbit. This ...

Understand the difference between solstice and equinox in 2025, explained simply for students. Learn how Earth’s tilt affects ...

As the Earth glides along its path around the Sun, due to its tilt, our glowing orb rises and falls in the sky and its position marks the different seasons.

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

Summer in the Northern Hemisphere will be shorter this year than last year by about 15 minutes, according to Timeanddate.com.

During the equinox, the Earth’s axis and its orbit line up so that both hemispheres get an equal amount of sunlight. The word equinox comes from two Latin words meaning equal and night.

The fall equinox is an important way to mark Earth's annual journey around the sun. The hours of darkness will gradually increase north of the equator until the solstice on Dec. 21, and vice versa ...

Join us for days 1-2 of our 9-day Mediterranean cruise aboard the Celebrity Equinox in their exclusive Retreat. From the excitement of embarkation day to the breathtaking views and rich history of the ...

which runs from the summer solstice to the autumn equinox. In 2025, that means astronomical summer will be from June 20 through Sept. 22. Astronomical seasons are marked by equinoxes and solstices, ...