This modern-day lunar gold rush has attracted diverse participants, from established space agencies to innovative private ...

Now, as the Houston-based company seeks to repeat the journey, its executives say they've made improvements to their new ...

A private lunar lander has captured and sent back breathtaking footage of the far side of the Moon, offering a rare glimpse ...

The mysterious Oort cloud is the source of many of our solar system's comets, but astronomers still have no idea what it ...