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 ...

A researcher has used advanced models that indicate that the formation of Pluto and Charon may parallel that of the Earth-Moon system. Both systems include a moon that is a large fraction of the size ...

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

Over 4.6 billion years ago, Earth took shape from a spinning cloud of dust and gas surrounding the young sun. Tiny particles within this cloud collided and clumped together, driven by gravity and ...

Scientists have proposed a shocking new theory for the origin of the moon, and their calculations suggest Earth once had a secret world hiding right next door. Astronomers believe that the moon was ...

New research suggests that Theia, the object whose collision with Earth is theorized to have caused the formation of the moon, came from closer to the sun. Artist’s impression of the collision between ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. A small space rock ...

"If there were only one object, that would be interesting but an outlier. If there's two, we're pretty confident that's a population." When you purchase through links on our site, we may earn an ...