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.
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.
Star collision triggers supernova! Dramatic evidence that a black hole or neutron star spiraled its way into the core of a companion star and ... boom!