Learn about the 128 newly discovered moons of Saturn, believed to be the remnants of collisions that occurred early in the ...

Out past Neptune are countless small icy and rocky bodies called Trans-Neptunian Objects (TNOs), and many of these have moons ...

The sheer number of objects suggests scientists will soon have to grapple with what counts as a moon versus what’s just a ...

Saturn just solidified its title as ‘moon king’ with an updated tally of 274 satellites orbiting the gas giant. The ...

If you plan to stay up to watch the total lunar eclipse on Thursday, you won't need to do much to prepare like for a solar ...