A research team, composed of climatologists and an astronomer, have used an improved computer model to reproduce the cycle of ice ages (glacial periods) 1.6 to 1.2 million years ago. The results show ...
The climate modeling community has been particularly vexed by the glacial/interglacial cycles of the past three million years, when the Northern Hemisphere oscillated between times with and without ...
March 18, 2026 expert reaction to two papers on links between ancient climate shifts and ocean temperatures / greenhouse gases, as published in Nature . experts comment on two pap ...
Scientists have long debated what causes glacial/interglacial cycles, which have occurred most recently at intervals of about 100,000 years. A new study reported in the March 24 issue of Nature finds ...
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Is Earth naturally headed toward another ice age?
Earth’s climate has a long memory. Across tens of thousands of years, subtle shifts in sunlight can help ice sheets advance or retreat, cycling between glacials and interglacials. The 2026 question is ...
Geologists have developed many theories to account for the ebb and flow of glaciers in Europe and North America. Some blame external causes, such as interstellar dust or changes in the earth’s ...
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