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 ...

A layer of molten rock deep inside some rocky planets may be doing more than shaping their interiors. New research points to the possibility that these hidden magma oceans could help protect planets ...

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 ...