Meet GJ 3378 b: A Super-Earth Around a Small Red Star

June 10, 2026

Meet GJ 3378 b: A Super-Earth Around a Small Red Star

A planet bigger than Earth has been found orbiting a small, dim red star called GJ 3378. Scientists used a clever light-dimming trick to spot it, and while there is still a lot to learn, every new world discovered helps us understand just how many planets fill our galaxy.

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GJ 4274 b is a super-Earth just 23.6 light-years away, and scientists found it without ever seeing it directly. They tracked tiny wobbles in its star's light to reveal a speedy world that completes one full year in less than two Earth days!
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Proxima Cen d: A World 4.2 Light-Years From Earth
Proxima Cen d is a tiny planet orbiting the closest star to our Sun, just 4.24 light-years away. Scientists found it by watching the star wobble — but what this strange little world is actually like remains a mystery.