SciencefromNature1 week agoDisappearing 'planet' reveals a solar system's turbulent timesDebris from two catastrophic collisions in the Fomalhaut system, not a planet, explains observed features and informs planet formation.
Sciencefromwww.scientificamerican.com3 weeks agoSpectacular Cosmic Collision Captured in New Hubble ImageHubble observed repeated violent collisions producing debris in the Fomalhaut system, showing such catastrophic impacts occur far more frequently than previously estimated.