Astronomers discover a new type of planet that probably smells like rotten eggs Using the James Webb Space Telescope, astronomers have discovered an example of a new class of exoplanet, and it smells like rotten eggs. Astrobitica March 16, 2026 (Last updated: March 16, 2026) 1 minute read Using the James Webb Space Telescope, astronomers have discovered an example of a new class of exoplanet, and it smells like rotten eggs. About the Author Astrobitica Administrator Visit Website View All Posts Post navigation Previous: Is the Universe Defective? Part 3: The Great Vanishing ActNext: Extremely rare second-generation star discovered inside ancient relic dwarf galaxy