Giant 'baby' exoplanet Elias 2-24 b is the youngest alien world scientists have ever seen

Astronomers have identified Elias 2-24 b, a massive exoplanet less than 1 million years old, making it the youngest alien world ever discovered. The planet is still forming within a protoplanetary disk 450 light-years from Earth.
Why it matters
Provides scientists with a rare opportunity to observe the early stages of planetary formation, offering insights into how solar systems like our own evolve.
Astronomers have confirmed a large exoplanet is forming in the cloud of debris around a young star. At less than a million years old, it's the youngest exoplanet found so far.
By Harry Baker Edited by Brandon Specktor , James Price Published 17 September 2026 In News When you purchase through links on our site, we may earn an affiliate commission. Here's how it works .
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