Science ❯ Geology ❯ Planetary Geology

Asteroid Geology

Hydrothermal Processes Bennu Geological Features Contact Binary Asteroids Collisional Processes Surface Characteristics Surface Composition Cosmic Collisions Dimorphos and Didymos

Cracks in Bennu’s Boulders Solve OSIRIS‑REx Thermal Mystery

Peer-reviewed XCT analyses scaled to boulder size pinpoint internal fractures driving the asteroid’s low thermal inertia.

OSIRIS-REx Samples Show Bennu’s Presolar Stardust, Interstellar Organics, and Faster-Than-Expected Weathering

Lucy Spacecraft Delivers First Full High-Resolution Images of Asteroid Donaldjohanson