Science ❯ Planetary Science ❯ Solar System

Formation

Asteroid Samples Asteroids Early Solar System Jupiter's Influence

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

A preprint puts numbers on the belt’s ongoing depletion to inform impact-risk modeling.

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