Stargazers are about to have a chance to spot Saturn and the moon sharing a section of the night sky in what's known as a ...

That would make it thousands of times more massive than any moon orbiting a solar system plane  — so massive it could make ...

Saturn reigns supreme when it comes to the number of moons orbiting any solar system planet. Including the 128 ...

If you look up on a clear night, the brightest and largest object in the sky will probably be the moon. And unless you have a decent telescope, it is the only natural satellite you can see with your ...

NASA and the Department of Energy signed an agreement earlier this week committing to put a nuclear reactor on the moon in ...

Add Yahoo as a preferred source to see more of our stories on Google. Artist’s impression of the planet Theia colliding with ancient Earth to create the moon. (MPS/Mark A. Garlick) Roughly four and a ...

Far from the Sun’s heat, orbiting the outer planets of the solar system, are moons with oceans of liquid water beneath their frozen surfaces. Keith Cooper finds out how planetary scientists are ...

There is something comforting to the idea that even within our own little solar system, through which we have sent probes and rovers and other astonishing bits of space tech, there remains a hefty ...