An interstellar invader was discovered on October 19 with the Panoramic Survey Telescope and Rapid Response System (Pan-STARRS) 1 telescope at the University of Hawaii. The existence of this extrasolestrial object (an asteroid or comet, which astronomers now affectionately call A/2017 U1) was confirmed by researchers at Jet Propulsion Laboratory’s Center for Near-Earth Object Studies (CNEOS). This truly alien object is thought to come from interstellar space because of its extreme orbit, which suggests that it originated outside our solar system. READ MORE