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.
What is gravitational lensing? When a massive object bends space, light traveling through the warped space results in rings, arcs or many points of light.
NASA's 2 Blue and Gold orbiters are part of the coming Mars ESCAPADE mission, which has now passed its final review. It'll launch to Mars in October 2024.