The moon is our constant companion and the only natural object that always orbits Earth. It's about four times smaller than Earth and its gravity is much weaker, which is why astronauts bounce around ...

It turns out the moon is a little younger than scientists previously thought — about 85 million years younger, to be precise. In a new study, researchers at the German Aerospace Center found out that, ...

Alan Shepard’s playful experiment captured something equally important about exploration: the unmistakably human urge to improvise, joke, and celebrate achievement, even 3,80,000 kilometers from Earth ...

The moon's orbit isn't a perfect circle. Instead, it's more stretched out, kind of like an oval, which means its distance from Earth varies by about 30,000 miles (48,000 km). The surface of the moon ...