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

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 ...

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 ...

(CNN) — 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 ...

Now that the Oura Ring 4 is here, how does it stack up against the RingConn Gen 2? I’ve had both smart rings on for several weeks to help understand where each ring’s strengths lie and which ...

A recently shared image of a distant galaxy surrounded by three concentric rings challenges our understanding of galactic taxonomy. No, that's not an interstellar bull's-eye. This remarkable image ...

The Samsung Galaxy Ring entered the fray back in July as one of the first smart rings from as big-name player in the tech space. Previously, most smart rings were made by wearable companies like ...

Notably, too, she was back to wearing her engagement ring. WPA Pool//Getty Images The Princess of Wales arriving for the Festival of Remembrance. In September, Kate announced she had finished ...