Thousands of planets have been discovered beyond our solar system, offering clues to where life might thrive and whether Earth is truly unique.

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 ...

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Leaving the Solar System remains far beyond ordinary spaceflight because interstellar travel demands solutions we do not yet ...

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Astronomers have found the most promising candidate yet for a "black hole star," a new type of astrophysical object lurking in the early universe's "cosmic dawn." If confirmed, the findings could help ...

Introduction: NASA's solar system exploration paradigm : the first fifty years and a look at the next fifty / James L. Green and Kristen J. Erickson -- Part I. Overview. Exploring the Solar System : ...

Scientists have long believed that comets and a type of very primitive meteorite called carbonaceous chondrites were the sources of early Earth’s volatile elements — which include hydrogen, nitrogen, ...

Research in Solar System planetary science spans the origin, evolution and present‐day processes affecting planets, moons, minor bodies and their interactions. The field addresses how protoplanetary ...