December’s full moon will reach peak brightness on Thursday, but it will look striking for the next few nights—especially ...

What is the Moon phase today, December 9? It's Waning Gibbous, approx. 75% lit. Learn the 8 phases and when the next Full ...

Skywatchers witnessed a spectacular Cold Moon on December 5, 2025, the year's final supermoon. Its proximity to Earth made it ...

Look east at sunset on Jan. 3 to see the fully-lit lunar disk climb over the eastern horizon. It will likely take on a ...

Look to the southeastern horizon in the hours following sunset on Nov. 29 — you'll be able to see the moon shine close to the ...

Discover Earth’s unique features—water, atmosphere, magnetic field, life-supporting climate, and 10 key facts about our home planet. Learn what makes Earth truly special.

The Moon is getting 1½ inches (3.8 centimeters) farther away from the Earth every year. Scientists measure the distance to ...

On December 4, 2025, at 6:14 pm EST, the full cold moon rises at 13°03 Gemini. This supermoon is both the last of the year ...

The last full supermoon of 2025, known as the Cold Moon, will illuminate the late autumn sky on Thursday, Dec. 4.

Amateur astronomer Tony Dunn must have been particularly impressed by the November crop of new asteroids to have put the 18 ...

For the next few decades, a tiny asteroid will move quietly through space alongside Earth. This space rock, called 2025 PN7, ...

Little is known about the long-destroyed moon-forming planet, Theia. But it may have been born in the inner solar system—just like Earth—a new study suggests ...