Ancient grains inside one of the oldest known meteorites reveal that a surprisingly strong magnetic field existed during the solar system’s first 200,000 years. The discovery suggests magnetism worked ...

Ancient iron meteorites reveal that some of the Solar System’s first solid bodies were built mostly from tiny heat-forged rock beads called chondrules, while water-rich dust was largely excluded. The ...

Learn how rock and dust samples are shedding light on the origins of Asteroid Bennu and the history of the early Solar System. Little pieces of the 4.5 billion-year-old Asteroid Bennu are saying a ...