Saturn has dozens of new moons, bringing it to a total of 274. All of the new moons are between 2 and 4 kilometres wide, but at what point is a rock too small to be a moon?

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 ...

Saturday’s eclipse will be visible in the Northern Hemisphere in a region that includes both sides of the Atlantic Ocean. Unlike a total eclipse, it affects the sun in a broad region and has less of a ...

Back in 1969, when Neil Armstrong and Buzz Aldrin first set foot on the moon, scientists knew of just 31 other moons in our ...

Saturn has reclaimed its title as the planet with the most moons! Astronomers have discovered 128 new moons, bringing its total to 274. A team led by Edward Ashton in Taiwan made the discovery ...

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

The gas giant planets of our solar system have many moons, which are defined as objects that orbit around planets or other bodies that are not stars. Jupiter has 95 known moons, Uranus 28 ...

The ringed gas giant Saturn has officially replaced Jupiter as the planet in our solar system with the most moons. The International Astronomical Union officially recognized 128 new moons orbiting ...