Mastodons took frequent trips north when climate changed

New research suggests that American mastodons were avid travelers, migrating vast distances across North America in response to dramatic climate change during the ice ages of the Pleistocene. The study, conducted by an international ...

Siberia heat 'almost impossible' without climate change

A heatwave in Siberia that saw temperature records tumble as the region sweltered in 38-degree Celsius highs was "almost impossible" without the influence of manmade climate change, leading scientists said.

The shelf life of pyrite

The last 2.6 million years are characterized by glacial cycles, a regular alternation of cold and warm periods. It is widely accepted that changes in the concentrations of carbon dioxide and other greenhouse gases in the ...

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