Subtle shifts in Earth's orbit shaped ancient lake climates — and where oil-rich shale formed as a result. When you purchase through links on our site, we may earn an affiliate commission. Here’s how ...

PCWorld reports that scientists discovered Earth’s inner core has slowed its rotation relative to the crust, even appearing to stop moving in a phenomenon that occurs every 35 years. This iron-nickel ...

Geophysicists have modeled how Earth’s magnetic field could form even when its core was fully liquid. By removing the effects of viscosity in their simulation, they revealed a self-sustaining dynamo ...