Earth has gone through at least five major ice ages in its history. And you better start adapting now. Because another ice ...

Around 20,000 years ago, Earth was very, very cold. Global temperatures were 10 degrees Fahrenheit colder than they are today and most of North America was covered in ice. That ice was almost half a ...

Imagine Earth covered in thick sheets of ice. And sea levels so low you could walk to a different continent. This is what our ...

Scientists have uncovered a missing feedback in Earth’s carbon cycle that could cause global warming to overshoot into an ice age. As the planet warms, nutrient-rich runoff fuels plankton blooms that ...