This analysis is the first time anyone has been able ... originally appeared on USA TODAY: A looming ice age? Scientists find a striking pattern in Earth's history.

But their new model doesn’t account for how human-made carbon emissions could change these processes.Earth's last ice age ended around ... their new model is the first step in understanding ...

The new study revealed an "amazing correlation" between Earth's tilt and ice sheet formation, said lead author Stephen Barker. Based on these findings, researchers estimated that the next ice age ...

Ancient humans survived on the Tibetan Plateau- the highest plateau on Earth-during the coldest period of the past 2.5 million years, showcasing their remarkable resilience and adaptability.