For millions of years, the Earth has oscillated between ice ages and warmer episodes. The movements of the ground beneath our ...

Earth’s climate has never been static. It shifts between warm interglacial periods and deep freezes, driven by complex interactions between the atmosphere, oceans, and even Earth’s orbit around the ...

New research reveals the source of this carbon – and the driving forces behind it – are far more complex than previously ...

On its own, Earth would shift toward another ice age in about 10,000 years, scientists say. But humanity’s greenhouse gas emissions may have radically shifted the climates trajectory. (Santa Barbara, ...

Climate change deniers inaccurately claim that Earth's rapidly rising temperatures are the mere product of natural cycles. Scientific experts have long explained that, although Earth does experience ...

Ancient Scottish rocks prove Earth had seasons and climate cycles even during Snowball Earth period despite near total ...

Scientists at the University of Southampton have uncovered evidence from ancient rocks that Earth's climate continued to ...

Megonigal, J. Patrick. 2004. "Global natural cycles in Earth's system." In Encyclopedia of Life Support Systems. Cilek, Vaclav, editor. Oxford, England: Eolss Publishers.

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 ...

Our planet has experienced dramatic climate shifts throughout its history, oscillating between freezing "icehouse" periods and warm "greenhouse" states. Scientists have long linked these climate ...