First-Ever Discovery of Rare Molecule on Distant ‘Ultrahot Jupiter’ Challenges Everything We Know About Exoplanet Atmospheres Astronomy Astrophysics Exoplanets News First-Ever Discovery of Rare Molecule on Distant ‘Ultrahot Jupiter’ Challenges Everything We Know About Exoplanet Atmospheres David Sharp June 4, 2025 NASA’s Webb Telescope Uncovers Rare Silicon Molecule on Apocalyptic Alien World—Here’s What That Means for Planet Science... Read More Read more about First-Ever Discovery of Rare Molecule on Distant ‘Ultrahot Jupiter’ Challenges Everything We Know About Exoplanet Atmospheres