Science ❯ Astronomy ❯ Planetary Science

Asteroids

DART Mission Bennu Vesta Psyche Ceres Binary Asteroids Apophis Hera Probe Ryugu Asteroid Disruption Lunar Origin Asteroid Belts Impact Rates Bennu, Ryugu, and Polana Asteroid Psyche OSIRIS-REx Mission Asteroid Belt Asteroid 99942 Apophis Asteroid Collisions C-type Asteroids Ganymede Impact Events Meteorite Impacts Asteroid Rings Planetary Defense

OSIRIS-REx Study Reports Tryptophan Signal in Pristine Bennu Sample

Researchers call for chiral or isotopic tests to verify extraterrestrial origin.

New Analysis Finds Asteroid Belt’s Active Mass Shrinking by 0.0088% Per Million Years

Bennu Samples Tie Asteroid Color Differences to Surface Exposure Age

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

LICIACube Images Show 16 Million-Kilogram DART Ejecta That Drove Dimorphos’ Deflection

Psyche Spacecraft Snaps Distant Earth–Moon Portrait During Instrument Checkout

JWST Spectra Tie Bennu and Ryugu to Polana Asteroid Family, Peer-Reviewed Study Finds

DART Ejecta Analysis Reveals Boulder Clusters Could Tilt Dimorphos’s Orbit

Astronomers Solicit Observations to Confirm Possible First Impact on Saturn