Recent findings suggest that Earth’s mantle might harbor hidden plumes venting heat from the planet’s core, a discovery that ...

how that mantle melt is getting to the surface,” de Kleer said. Our own moon shows evidence of primeval tidal heating too. Its oldest crystals formed 4.51 billion years ago from the stream of molten ...

Imagine waking up one morning to the news that the world’s oceans are freezing—not from the wind-chilled surface, but from ...