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 ...

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

Headlines about melting ice sheets usually focus on what is lost and then move on. What comes next is often overlooked, even ...

Global warming may overshoot, driving extreme cooling and potentially triggering Earth’s next ice age, scientists warn.

Today, oxygen levels are significantly higher, weakening that feedback loop. As human activity continues to add CO₂ to the ...

Some people in Ukraine weathered the harshest moments of the last ice age by creating shelters made partly of mammoth bones and tusks.