A new documentary is shedding light on a remarkable period in Earth’s history—one when large parts of Greenland, now buried ...

Earth’s path around the Sun is not a fixed racetrack but a slowly shifting orbit, and those subtle changes have a long history of reshaping the planet’s climate. As astronomers refine how these ...

The curious minds at What If delve into how a world without ice would radically change life on Earth. Republicans unveil health care plan to counter Democratic bid to extend ACA subsidies After ...