Coverage dated September 22, 2026 to September 23, 2026

Baby exoplanet: Astronomers find the youngest world yet

Headline from EarthSky

Astronomers have discovered the youngest-known exoplanet so far, Elias 2-24 b. The baby exoplanet is twice the mass of Jupiter and 450 light-years away. The post Baby exoplanet: Astronomers find the youngest world yet first appeared on EarthSky .

EarthSky's own description from its feed. We collect headlines and these descriptions, not full articles; read the original reporting below.

Reports & sources

2 articles, oldest first.

  1. SciTech Daily

    Astronomers Just Caught a Giant Planet in the Act of Forming (opens SciTech Daily)

    Published

    SciTech Daily's feed description

    Astronomers have confirmed the youngest known planet, a Jupiter-size baby world less than a million years old that formed far faster than expected. Astronomers have confirmed the youngest known planet ever observed, a world less than 1 million years old that is still surrounded by the material from …

  2. EarthSky

    Baby exoplanet: Astronomers find the youngest world yet (opens EarthSky)

    Published

    EarthSky's feed description

    Astronomers have discovered the youngest-known exoplanet so far, Elias 2-24 b. The baby exoplanet is twice the mass of Jupiter and 450 light-years away. The post Baby exoplanet: Astronomers find the youngest world yet first appeared on EarthSky .

Baby exoplanet: Astronomers find the youngest world yet | Since Then