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

Astronomers have discovered a panoply of new moons orbiting Saturn, bringing the ringed gas giant's total up to 274 moons—far ...

In North America, the total lunar eclipse will start around 12:55 a.m. ET on Friday. Telescopes and binoculars aren't ...