Where is the missing impact debris from the early solar system? A new study says it was probably vaporized into gas that subsequently escaped the solar system.
ESO released new images of Kleopatra, the dog-bone asteroid. The images helped astronomers uncover its size and composition, revealing that it's a rubble pile.
From around the world on September 12, 2021, watch for the moon and Antares. This star - a summer star for the Northern Hemisphere - is shifting westward.