Add Yahoo as a preferred source to see more of our stories on Google. Deep layers of molten rock inside some super-earths could generate powerful magnetic fields—potentially stronger than Earth’s—and ...

High-energy particles called galactic cosmic rays (GCRs) bombard unprotected objects in space, often causing damage. Earth, however, is protected by its magnetic field, which creates a protective ...

In addition to shaping the interior of rocky planets, molten rock located deep within these planets may also contribute to the creation of a planet’s magnetic fields, which protect the entire planet ...