Steamy Space Mystery: Webb Telescope Finds Water Vapor, But From a Rocky Planet or Its Star?
Webb telescope detects mysterious water vapor in a nearby star system | CNN
Earth isn't the only planet with aurorae: Besides Mercury, every planet in our solar system (as well as a few moons) display some form of auroral activity. Astronomers have even found aurorae on a rogue exoplanet that wanders the Milky Way without a host star.