Saturn’s largest moon, Titan, might have formed after a collision with a lost moon, according to new research.

The first major planetary alignment of 2026 will take shape after sunset at the end of the month, when six planets line up with the moon in the evening sky. On Saturday, Mercury, Venus, Saturn, ...

Six planets are above the horizon this weekend — but only two are obvious to the naked eye. Here’s what you’ll really see ...

A new study hints that Saturn's largest moon, Titan, was created around 400 million years ago, when two massive moons smashed ...

Free-floating planets, or as they are more commonly known, rogue planets, wander interstellar space completely alone. Saying there might be a lot of them is a bit of an understatement. Recent ...

Many of the most interesting bodies in our Solar System aren’t planets, but the moons that orbit them. They have active volcanoes, hydrocarbon oceans, geysers, and moon-wide oceans buried under icy ...

The moon's orbit isn't a perfect circle. Instead, it's more stretched out, kind of like an oval, which means its distance from Earth varies by about 30,000 miles (48,000 km). The surface of the moon ...

Did you miss the planetary parade? Well, Thursday, Aug. 21, is the last day to see it, along with the crescent moon. Usually, people can look up at the bright sky and spot at least one planet. Two or ...

A trio of planets accompanied the moon in the sky on Friday, Dec. 10. Jupiter, Saturn and Venus fell in line with the crescent moon in the southwestern sky shortly after nightfall, according to ...

Some planets in our solar system have an incredible amount of moons. Jupiter has 95, with names like Ganymede and Europa. Remarkably, though, Saturn has almost three times that number, including the ...

What is the difference between a moon and a planet? Trick question! According to scientific definitions, there often isn’t much of a difference at all. That might seem counterintuitive, but it’s true.