Saturn has at least 146 moons, of which 63 are named—and thousands of moonlets are hiding inside its rings. Four of our planets have rings, but Saturn's are enormous and complex, in a class of ...

The Chicxulub impactor that killed the non-avian dinosaurs 66 million years ago, had a mass of order that of Phobos, 10^{16} kilograms, about a thousand times less than the total mass of Saturn’s ...

Saturn is famous for its extensive ring system, which was likely fed by the breakup of icy moons. A similar process may have occurred in orbit of Earth during the Ordovician. The team has ...

Earth may once have had a vast ring system circling the planet, very similar to Saturn’s rings, according to a recent study. These rings seem to have formed around 466 million years ago, during a ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Famously known for ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Famously known for ...

So it is with Saturn’s rings. For almost all of 2025, from March to November, the giant planet’s distinctive rings will disappear. The reason is simple. The rings, which range in thickness ...

Famously known for its extensive ring system, Saturn is one of four planets in our solar system that have the distinctive feature. And now, scientists hypothesize that Earth may have sported its ...

Like Saturn, Earth may have also had its ring system circling the planet 466 million years ago. These rings seem to have existed during the Ordovician Period when the Earth's life forms and plate ...