In 2023, the Northern Hemisphere's Harvest Moon falls overnight September 28-29, or almost six days after the September equinox. It's also a supermoon.| EarthSky | Updates on your cosmos and world
The full moon, opposite the sun in its orbit, shows us its sunlit side. The moon appears full a couple of days before and after the exact moment of full moon.| EarthSky | Updates on your cosmos and world
Lists of common full moon names - both by month and by season - for North America. And a word about full moon names in the Southern Hemisphere.| EarthSky | Updates on your cosmos and world
Circadian rhythms are natural, 24-hour patterns that play a vital role in the sleep-wake cycle. Learn more about how they work and how to keep them aligned.| Sleep Foundation