Saturn now leads the solar system with 274 known moons. Scientists say many moons formed from past collisions.

The ringed gas giant Saturn has officially replaced Jupiter as the planet in our solar system with the most moons. The ...

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

The discovery points to what astronomers have thought for decades, that Saturn's rings were caused by a massive collision ...

So exactly how many solar system moons have we found? The answer, it turns out, depends on your definition of a moon. But this is likely just "the tip of the iceberg," Edward Ashton, an astronomer ...

NASA is preparing for the launch of its fifth New Frontiers mission, NF-5, aimed at exploring high-priority scientific ...

You thought Saturn's 146 moons were impressive? Think again. The ringed planet's moon count has nearly doubled with the ...

Plus: Observe two stunning spirals, see Venus reappear as a morning star, and enjoy the Last Quarter Moon in the sky this ...

With the new spottings, Saturn has usurped Jupiter which has 95 known moons, while Uranus (28) and Neptune (16) remain third ...

A startup company wants to establish mining operations on the moon to extract a rare isotope needed for future quantum ...

The objects around the ringed planet are tiny, but some of them may have formed relatively recently in the solar system’s ...

Experts analyzed satellite imagery of planetary surface cracks and compared them with Earth's geologic features, searching ...