But as researchers have discovered more moonlike objects in our solar system—including 128 moons orbiting Saturn just this ...

Using advanced models, SwRI led new research that indicates that the formation of Pluto and Charon may parallel that of the Earth-Moon system. In the resulting “kiss-and-capture” regime, Pluto and ...

A fresh study of the Kuiper Belt’s structure has revived that far-out question, pointing to a possible Earth-sized ...

Two space rocks are raising huge scientific questions and may pose some answers regarding the nature of our planet and of another solar system body, Pluto. Pluto has long been under siege by skeptics ...

Recently, astronomers detected the presence of a relatively new quasi-moon called 2025 PN7, which appears to orbit our planet ...

A newly discovered warp in the outer Solar System may have been created by a small, rocky world, much closer to the Sun than ...