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 ...

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 ...

Evidence of a past Martian ice age has been revealed in Coloe Fossae, where long, shallow grooves suggest ice once flowed ...

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