A recent study of interstellar comet 3I/ATLAS has revealed that it contains an unusually high methanol-to-hydrogen-cyanide ratio compared to other comets. Most of the comets we study formed in the early solar system. However, Comet 3I/ATLAS was formed in another planetary system and wandered into our solar system, making it an interstellar comet. When a comet gets close to the Sun, the solar heat warms... [1297 chars]