Science ❯ Planetary Science

Solar System Formation

Asteroids Asteroid Composition Early Earth Conditions Comet Composition Chondrites Asteroid Belt Building Blocks Mars History Chemical Composition Origins of Planets Planetary Bodies Nebulae Asteroid Characteristics Presolar Grains Solar Nebula Asteroid Population Asteroid Studies Asteroid Families Parent Asteroids Rubble Pile Asteroids Earth's Water Origin Meteorites Primordial Materials Early Solar System Kometen Early Earth Primitive Bodies Meteorite Recovery Protoplanets Snow Line Celestial Mechanics Giant Impact Hypothesis Celestial Bodies Asteroid Monitoring Planetary Cores Primitive Meteorites

Hillsborough Meteorite Yields Salt Evidence and a Rich Suite of Amino Acids

Laboratory analyses show concentrated salts plus diverse organic molecules, revealing water-driven chemistry on primitive asteroids that could explain delivery of prebiotic material to Earth.

Lunar Meteorite Preserves Evidence of a 3.5-Billion-Year-Old Giant Moon Impact

Rubin Observatory Finds Fastest-Spinning Large Asteroid in First Commissioning Data

PNAS Study Finds Rare Water-Rich Meteorite Relics in Chang'e-6 Far-Side Samples

Ryugu Samples Reveal Late Flowing Water That Upends Asteroid Water Models

Ryugu Samples Reveal Billion-Year-Late Liquid Water and a Far Wetter Parent Asteroid

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

Psyche Spacecraft Snaps Distant Earth–Moon Portrait During Instrument Checkout