You know, if you think about it, and trust me we're about to, the moon is kind of weird. Of all the terrestrial worlds of the ...

We already know a decent amount about how planets form, but moon formation is another process entirely, and one we're not as ...

The ever-shifting phases of Earth's moon present a wealth of targets for amateur astronomers to explore, ranging from ...

A mysterious lunar landslide might have been caused by debris from a faraway crater-forming impact, new analyses of Apollo 17 ...

Competing ideas—like the moon splitting from Earth or forming elsewhere—don’t match the chemistry of lunar rock. Only the giant impact explains what we see in moon and Earth samples today.

However, the moon was once much closer to Earth. The moon formed about 4.5 billion years ago, likely in the aftermath of a giant collision between a Mars-size rock and the newborn Earth. The moon ...

More than 50 years after the last manned moon mission, the Apollo program is still making groundbreaking discoveries.

Researchers thought a moon-forming disk may exist around this exoplanet based on previous findings, but it was difficult to distinguish it from the surrounding space environment.

The two planets will act as the “eyes” of the “smile,” with the delicate crescent Moon forming the “mouth,” Culbertson detailed. Venus will be the brighter of the two planets.

One of the brightest stars in the night sky seems to be orbited by a planet like Jupiter. The news is sure to cheer fans of ...