New research suggests that this mystery platinum signature underneath the Greenland ice sheet may have originated from a ...

Deep within Greenland’s ice sheet, a chemical anomaly has sparked intense scientific debate, especially after researchers ...

The finding suggests that a giant iron asteroid smashed into what is today a glacier during the last ice age, an era known as the Pleistocene Epoch that started 2.6 million years ago. When it ended ...

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 ...