The ringed gas giant Saturn has officially replaced Jupiter as the planet in our solar system with the most moons. The ...
The sheer number of objects suggests scientists will soon have to grapple with what counts as a moon versus what’s just a ...
A "great planet alignment" will be adorning the skies on Friday. According to astronomers, the rare event won't happen again for another decade. Here's what to know.
The discovery points to what astronomers have thought for decades, that Saturn's rings were caused by a massive collision about 100 million years ago.