The traditional constellations of autumn in the Northern Hemisphere have returned to the evening sky and bring with them a rich body of lore and mythology though their stars are rather faint ...

Stars and constellations Winter officially commences in the Northern Hemisphere on Dec. 21 at 4:21 a.m. when the sun reaches the southernmost position on the ecliptic, its apparent annual path ...

This year's first day of spring in the Northern Hemisphere occurs precisely at 5:01 a.m. EST on March 20, according to NASA. The date and time of the equinox varies slightly from year to year.

This story was updated to add new information. Spring has sprung, bringing warmer days and blooming flowers. Thursday is the first day of spring, or the vernal equinox, in the Northern Hemisphere.

FARGO — The Northern Hemisphere is a remarkably different part of the world than the Southern Hemisphere. About two-thirds of the landmass of our planet is in the Northern Hemisphere at present ...

WASHINGTON — Solar storms persisting from the weekend may produce faint colorful auroras across the Northern Hemisphere, with little disruption to power and communications, space forecasters ...

Summer officially begins Friday, June 20, at 10:41 p.m. Eastern time. That’s the precise moment of the summer solstice — making for the longest, brightest day of the year in the Northern ...