44 degrees, or about half way between its extremes, and this angle is very slowly decreasing in a cycle that spans about 41,000 years. 5 degrees relative to its orbital plane around the sun, is the ...

Earth's seasons look very different at locations not far from each other, 20 years' worth of satellite data reveals. Earth's seasonal cycles can vary dramatically across short distances, even at the ...

Sunday is the shortest day of the year north of the equator, where the solstice marks the start of astronomical winter.

For those north of the equator, the solstice on Sunday, Dec. 21, marks the shortest day and longest night of the year. During the winter solstice, the sun will be at its lowest noontime point in the ...

The first day of winter is Dec. 21, the date of this year's winter solstice for the northern hemisphere. Winter lasts from Dec. 21 in the northern hemisphere until March 20, 2026, when the vernal ...