Iron meteorites show the first bodies of the early solar system were 83% to 92% dry rock, with water arriving millions of ...

Before the sun fully formed, tiny bits of rock were already recording the magnetic forces present in the very early solar ...

When the solar system first took up the task of building solid bodies—such as planets, moons and protoplanets—it basically had a choice between two ingredients: heat-forged chondrules, which were ...

If the outer solar system’s first solid bodies had come with a recipe, it would have called for a generous helping of chondrules, millimeter-sized beads of rock forged by heat, and very little icy ...

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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 ...