Ancient rocks show Earth’s magnetic field followed deep heat patterns inside the planet for hundreds of millions of years.

"The features we found on Venus are strikingly similar to Earth's early continents." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. New research ...

Our planet has experienced dramatic climate shifts throughout its history, oscillating between freezing "icehouse" periods and warm "greenhouse" states. Scientists have long linked these climate ...