The formation of the Moon billions of years ago is cloaked in mystery. Most astronomers believe the young Earth, still cooling off from its formation, was struck by a mars-sized body called Theia, ...

Even most rocket scientists would rather avoid hard math when they don't have to do it. So when it comes to figuring out ...

The moon, Earth’s closest neighbor, is among the strangest planetary bodies in the solar system. Its orbit lies unusually far away from Earth, with a surprisingly large orbital tilt. Planetary ...

A new dataset from Lawrence Livermore National Laboratory maps one million cis-lunar orbits, highlighting orbital stability challenges, space domain awareness needs, and planning requirements for Moon ...

The moon is Earth’s only friend. And yet—despite a relationship stretching back billions of years—the gap between us only grows wider. Someday, far in the future, we will be left alone. What happens ...