Water-Spewing Interstellar Comet Offers Rare Clues About Our Solar System
2025-10-14T12:38:46.000Z A rocky visitor from beyond our solar system is leaking water like a "fire hose running at full blast," a new study reports. Using NASA's Neil Gehrels Swift Observatory, scientists have for the first time detected the chemical fingerprint of water spilling from interstellar comet 3I/ATLAS, only the third known object from another star system ever observed passing through our cosmic neighborhood.