Ice spikes will form most often during prolonged stretches of very cold weather.

A long-debated platinum spike in Greenland ice is best explained by volcanic activity rather than a cosmic impact, reshaping ideas about what triggered the Younger Dryas cooling. An unusual platinum ...

Every once in a while, you may pull an ice cube tray out of the freezer and see that one of those cubes has a strange little spike on it that appears to be defying gravity. And the phenomenon that ...

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 ...