Jupiter’s volcanic moon Io may be hundreds of times hotter than scientists thought NASA's Juno spacecraft has revealed that the solar system's most volcanic body is even hotter than scientists thought. Astrobitica November 7, 2025 (Last updated: November 7, 2025) 1 minute read NASA’s Juno spacecraft has revealed that the solar system’s most volcanic body is even hotter than scientists thought. About the Author Astrobitica Administrator Visit Website View All Posts Post navigation Previous: Saturn’s icy moon may host a stable ocean fit for lifeNext: No, interstellar comet 3I/ATLAS hasn’t ‘changed color’, scientists say