Our Sun, the celestial body that has nurtured life on Earth for billions of years, is not eternal. This massive ball of gas ...

Explaining 2025's holiday mashup as well as Thanksgivukkah and other calendar rarities. When will they come around again?

Note: Moon phases in the calendar vary in size due to the distance ... only occurs during the exact moment when Earth, Moon, and Sun form a perfect alignment, to our eyes, the Moon seems Full ...

Only when the moon, Earth and the sun are perfectly aligned is the moon 100% full. And sometimes — once in a blue moon — the moon is full twice in a month (or four times in a season ...

A new moon occurs when the moon is directly between Earth and the sun, with its shadowed side ... and will be the second new moon in a calendar month. Looking for a telescope to observe the ...