Scientific American spoke with the astronomer who has contributed to the discovery of two thirds of Saturn’s known moons ...

Out of these planets, Mercury and Venus do not have any moons. Every other planet has moons. Both Earth and Mars have confirmed moons with no provisional moons. Jupiter, Saturn, Uranus ...

So which planets in our solar system have rings? All four giant planets — Jupiter, Saturn, Uranus and Neptune — sport these ...

The study by Konstantin Batygin of Caltech and Fred Adams of the University of Michigan pulls off a rare feat in planetary ...

Earth has four seasons, but do other planets in our solar system also have hot summer days and cold winter nights?

According to their work, Jupiter's radius was once two to two-and-a-half times its current radius—large enough to contain ...

Today, it’s believed that Jupiter and Saturn, the largest planets, were the first to fully form, both within a few million ...

Jupiter has a mass 2.5 times greater than the rest of the planets combined. In the infant years, it was 2.5 times its current ...

Jupiter wasn’t always the planet we know today—it was once twice as big, had a magnetic field 50 times stronger, and its ...

But do other planets have seasonal patterns, too? Indeed, other planets, dwarf planets and moons in our solar system do have seasonal cycles — and they can look wildly different from the ones we ...