In a 2015 study written by geologist Michael Rampino and scientist Ken Caldeira, the authors linked the age of impact craters ...

The discovery could lead to insights into the ice age climate, and the effects on it from the eruption of debris that would have resulted from such a cataclysmic collision. The finding suggests that a ...

Buried deep in Greenland's ice sheet lies a puzzling chemical signature that has sparked intense scientific debate. A sharp spike in platinum concentrations, discovered in an ice core (a cylinder of ...