Add Yahoo as a preferred source to see more of our stories on Google. an illustration of the planet saturn as seen from one of its many moons two other smaller moons are in the distance The moons were ...

So far, humanity has yet to find its first "exomoon"—a moon orbiting a planet outside of the solar system. But that hasn't been for lack of trying. According to a new paper by Thomas Winterhalder of ...

Nicole Granucci does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...

NASA’s James Webb Space Telescope has captured the first detailed look at a carbon-rich disk surrounding the exoplanet CT Cha b, located about 625 light-years from Earth. The observations reveal a ...

Saturn and Jupiter have been locked in a competition for the planet with the highest number of moons. But as it happens, Jupiter never really stood a chance: Saturn has just won by a huge margin. That ...