An artistic rendering of an exoplanet in a tight orbit, followed by a dusty, comet-like tail of debris. Jose-Luis Olivares / MIT Astronomers have spotted a distant planet shedding matter with each ...

Only three other disintegrating worlds have been identified among the more than 6,000 discovered exoplanets — each leaving a distinctive, comet-like tail of debris behind it. But BD+05 4868 Ab ...