The planet that appears so steady beneath our feet is, in reality, subtly reorienting itself in space. As ice melts, oceans swell and groundwater is pumped from deep aquifers, the balance of mass on ...

Deep beneath the ocean floor, ancient sediments hint that Earth’s magnetic field sometimes changed far more slowly than expected.

Earth’s physical systems are shifting at a pace that would have seemed implausible a generation ago, from record heat to ...