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 ...

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 ...

Science fiction has had a field day with the idea that technologically advanced aliens might build a Dyson Sphere — a star-system-sized megastructure that encloses a whole star — or something similar, ...