James Webb telescope discovers its first planet — a Saturn-size 'shepherd' still glowing red hot from its formation

Nestled inside a planetary ring 110 light-years from Earth, a planet spotted by the James Webb telescope is the lightest exoplanet ever detected.

Jun 25, 2025 - 16:56
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James Webb telescope discovers its first planet — a Saturn-size 'shepherd' still glowing red hot from its formation
Nestled inside a planetary ring 110 light-years from Earth, a planet spotted by the James Webb telescope is the lightest exoplanet ever detected.