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Exoplanet · International
Scientists find youngest exoplanet on record

Scientists find youngest exoplanet on record

2 sourcesUpdated 17 Sept 2026, 10:00 am Coverage regionsInternational
CATCH ME UP

Researchers found a Jupiter-mass world named Elias 2-24 b.

The planet is located four hundred fifty light-years from Earth.

Scientists identified it by analyzing archival data from the W.M. Keck Observatory.

The finding confirmed earlier suspicions about a gap in the debris disk around the star Elias 2-24.

Why it mattersThe discovery sets a new age record for a planet and could sharpen how scientists understand how planetary systems form.
More context

Study co-author Lucas Cieza said the result suggests planet-formation models are missing important processes.

The planet is estimated to be less than one million years old.

AGREEMENT VS DISAGREEMENT

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What coverage agrees on

Reporting agrees that Elias 2-24 b is a Jupiter-mass exoplanet and that it is estimated to be less than one million years old.

What is changing or disputed

The main details could still shift if future analysis changes the age estimate or refines what the debris-disk gap means for planet formation.

HOW COVERAGE DIFFERS

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Neutral1

Astronomers have identified a Jupiter-mass exoplanet named Elias 2-24 b as the youngest on record. The discovery came from archival W.M. Keck Observatory data and confirmed earlier suspicions about a gap in the debris disk around its star. The planet is about four hundred fifty light-years from Earth and is estimated to be less than one million years old. Co-author Lucas Cieza said the finding suggests current planet-formation models are missing important processes.

STORY TIMELINE

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Space Neutral framing Reported

Scientists find youngest exoplanet on record — a 'newborn' named Elias

Quick source take

Astronomers have discovered the youngest exoplanet on record, a Jupiter-mass world named Elias 2-24 b located four hundred fifty light-years from Earth. Researchers found the newborn planet by analyzing archival data from the W.M. Keck Observatory, confirming earlier suspicions regarding a gap in the debris disk surrounding the star Elias 2-24. According to study co-author Lucas Cieza, the discovery indicates that current planet-formation models are missing important processes because the planet is estimated to be less than one million years old.